Parasitic Wasps of the Genus Euplectrus Westwood (Hymenoptera : Eulophidae) from India

2005·4.6 MB·

by  M A Khan

:
Journal of the Bombay Natural History Society, 102 (3), Sep-Dec 2005 315-323
PARASITIC WASPS OF THE GENUS EUPLECTRUS WESTWOOD
(HYMENOPTERA; EULOPHIDAE) EROM INDIA'
M.A. Khan“'^ and M. Agnihotri ^
'Accepted June 2004
-Biological Control Laboratory, Department of Entomology, G.B. Pant University of Agriculture and Technology,
Pantnagar 263 145, Uttar Pradesh, India.
’Email: [email protected]
FournewspeciesofthegenusEuplectrusWestwoodnamelyE.pantnagarensis,E. diibeyi,E. viggianiiandE.longiscapus
aredescribedandillustrated.AkeytosomeIndianspecieshasalsobeenframed.
Keywords:Hymenoptera,Eulophidae,Euplectruslongiscapussp.nov.,E.pantnagarensissp.nov.,Euplectrusduheyi
sp. nov., E. viggianiisp. nov.
GenusEuplectrusWestwood the following combination ofcharacters: scutellum without
longitudinal grooves, which hasmostly ratherfine sculpture
Euplectrus Westwood 1832, Phil. Mag. 3: 128. Type oris almost smooth; pronotum, rather short, dorsally with a
species: (EuplectrusmaculiventrisWestwood)=Pteromalus fine transverse carina; hind tibia with at least one spur
bicolor Swedems; by monotypy. distinctly longer than basitarsus, thorax mostly with
DiplectronDahlbom 1857,292.SynonymybyGahan& outstandingtongbristles,funiclealwayssegmentedinfemale
Fagan 1923.Typespecies: PteromalusTt/co/orSwederus,by (Boucek 1988).
designationofGahanandFagan 1923. Discussion: The genus Euplectrus belongs to tribe
Pacliyscapha Howard 1897: 159. Synonymy by Peck Euplectrini,subfamilyEulophinae.Itstandsclosetothegenera
1951. Type species: Pacliyscapha insularis Howard; by Euplectromorpha Girault but differs from it in the above-
monotypy. mentioneddiagnosticcharacters.Thestructureofpropodeum
RekabiaCameron 1904:65.SynonymybyKerrich 1974. in Euplectromorpha with two strong submedian carinae
Type species: Rekabia testaceipes Cameron, by monotypy. behind a distinct basal cup or, iflatter is extended, with H-
HeteroscapusBrethes 1918:9.SynonymybyDeSantis shaped carinae further separate the two genera. All recent
1981. Type species: Heteroscapus romiai Brethes, by workers have considered the genera Diplectron Dahlbom,
monotypy. PacliyscaphaHoward,ReckabiaCameronandHeteroscapus
EuplectrusCcasNioid 1909, Proc. US. Natn. Mus. 41: Brethes to be synonyms of Euplectrus Westwood. Kerrich
279. (1974) synonymized the genus Rekabia Cameron with
EuplectrusCrawford 1914,Philipp. J. Sci. 1(9):463. Euplectrus Westwood. The distinguishing characters ofthe
EuplectrusRohwer 1921,Ann. Mag. Nat. Hist. 7: 135. genusasproposedbyNikol’skaya(1952); Pecketal. (1964)
EuplectrusNlard \9A\,IndianJ. Ent.3: 25-36. and additional generic characters of pronotum, female
EuplectrusFerriere 1941,5n//. ent. Res.32: 33. genitaliaandsubgenitalplateasproposedbyKhanandShafee
EuplectrusBhatnagar 1952,IndianJ.Agr Sci.21 173. (1980)applywelltothepresent species.
Euplectrus Mukherjee 1975, Mem. School Ent. Agra, Recently,WijesekaraandSchauff(1994)revisedthegenera
No.4:60. andspeciesofthetribeEuplectrini(Eulophidae)anddescribed
Euplectrus Hussain and Khan 1986, Orient. Ins. 20: eight Euplectrus species as new, namely E. atrafacies,
221-223. E. colliosilvus,E. geethae,E. itoralis,E. mellocoxus,E. nibilis,
Euplectrus^oucek. \9%%, Australasian Chalcidoidea, E. peechansis and E. xanthovulatus. They transferred five
633-634. species previously placed in this genus to other euplectrine
EuplectrusWijesekara and Schauff 1994, Orient. Ins. genera as follows: E. flavescens Crawford = Aroplectriis
28: 1-48. flavescens(Crawford)comb,nov.;E.phillippinensisAtAvmead
Euplectrus Wijesekara and Schauff 1997, Proc. Ent. = Platyplectrus phillippinensis (Ashmead) comb nov.;
Soc. Wash.99(11): 101-109. E. rugosusCrawford=P. mgosus(Crawford)comb,nov.; and
Diagnosis: Genus Euplectrus was proposed by E.japonicusAshmead = P.japonicus (Ashmead) comb. nov.
Westwood(1832)withthetypespeciesE. maculiventris.The Theyalsoremoved E. ornatusfromEuplectriniandplacedas
genuscanbeeasilydistinguishedfromotheralliedgeneraby Cirrospilusornatus(Mukherjee)combnov. (inEulophinae).
.
NEW DESCRIPTIONS
Biology: Primary gregarious ectoparasitoids of gasterdarkbrownexceptawhitepatchonmiddleofdorsum
caterpillars. E. longiscapus sp. nov.
Distribution: Occurs in all biogeographical regions. —6. Scutellumuniformlypunctate;orpunctateinthemiddle. ... 7
Boucek (1988) estimated the numberofspecies to be about Scutellumnotlikewisesmooth 8
100. Most species are probably in the tropics. There are 12 7. Gaster yellow above, with only the sides and a more or less
specieseachinAustraliaandNorthAmericawhile 16species complete transverse band before the end brown, antennae
arerecordedfromIndia. slightlybrownattip;ocelliverylarge;thelateralocellicloseto
Abbreviationsused: FSl,FS2,FS3andFS4funicular theeyemarginsthantothefrontocellus,pubescence,whitish,
segments 1-4; OOL- oculo-ocellar length, distance between funiclesegmentsnotsub-equalinlength;scutellumuniformly
lateral ocellus andeyemargin; POL-postero-ocellarlength, finelylongitudinallystriate;propodeumsmooth;petioleslightly
distance between lateral ocelli; MV- marginal vein; PMV- — broaderthanlong E. leucostoinusRohwer
postmarginalvein;SMV-submarginalvein;SV-stigmalvein. Gasterblackwith alargeyellow spot, withoutany transverse
band;antennaeuniformlyyellowishwhitewithoutinfuscation
KeytosomeIndianspecies attip;ocellismall,widelyseparatedfromtheeyemargins;the
OFTHEGENUSEuPLECTRUSWeSTWOOD OOLtwo-thirdaslongasthePOL;pubescencebrown;funicle
1. All legs, including theircoxae uniformly coloured yellow or segments sub-equal in length; scutellum finely reticulate
white 2 medially,reticulatelineatelaterally;propodeumshiningmedian
—
Legswithdifferentialcolourblack,brown,reddishbrown,light furrow distinct, complete, petiole granular, longer than wide
brownoracombination ofthese 10 E. euplexianeRohwer
2. Pedicelarmedwithbristles 3 8. Pedicel slightly longer than broad; gaster yellow with a
—
Pedicel without any bristle 7 transverse stripbefore theend, lineonthe sidesofthesecond
3. Pedicel with 5 longbristles, entireface darkbrown, antennae segment and the petiole brown; vertex almost smooth, cilia
lightbrown,scapeabout7timeslongerthanwide,pediceldark very scattered; antennae with scaperathershort, notreaching
brown,club2-segmented E. pantnagarensis sp. nov. to the median ocellus; funicle thicker, funicular segments
—
Pedicel notmorethan2stoutbristles,entirefaceblack; scape subequalinlength E.parviilusFerriere
—
lessthan 7timeslongerthanwide 4 Pedicel 2 times or about 2 times as long as wide and other
4. Pedicel with 2 stout bristles 15 characterdifferent 9
—
Pedicel with only 1 bristle 5 9. Gasterblackwitharoundedyellowspot;antennaebrown,scape
5. Vertex shallowly and closely punctate face very finely and andpedicelyellow;vertexsmooth;ocelliratherlarge,thelateral
obscurely punctate; POL more than 3 times as great OOL; ocelliataboutthesamedistancefromthemedianocellusasfrom
10.
prominencebetweenantennaltorulidistinctlymorethanone- theeyemargins;scapenarrowandelongate,butnotreachingto
third the width of frons between eyes; antennal scape pale thelevelofmedianocellus;mesoscutumfinelyreticulate,without
MV
white,restoftheantennalsegmentshyalinelightbrown;only median carina, scutellum smooth; a little longer than the
oneverynarrowanelluspresent;scape3timesaslongaswide, SMV;thelongesthindtibialspurnotquiteaslongasthefirst2
funiclesegmentssubequalabout2timesaslongasbroad;club tarsaljointstogether,petiolesmooth,elongate,almost3timesas
unsegmented, distinctly shorter than preceding 2 funicle longasbroad E.petiolatusFerriere
—
segmentscombined,mesoscutumstrongly,ruguloselypunctate Gasteryellowabove,slightlymoreorange-yellowattip,only
anteriorly, the punctures not very well defined and virtually 2 lines on the sides at base and the petiole black; antennae
coalescent;scutellumandaxillaeminutelyandshallowpunctate; orange-yellow,browntowardstip,scapelightyellow;pronotum
gaster mostly white except for a discontinuous centrally very short; mesoscutum with irregular transverse striate;
intermptedpalebrownbandapically,laterallyandattheextreme scutellumfinelyreticulate E. coimbatorensisFerriere
basebrown E. matemusBhatnagar PediceldistinctlylongerthanFSl 11
— —
Vertex and face smooth, withoutpunctuation; POLand OOL Pedicel notlikewiseaslongasorshorterthanFSl 12
almost equal in length; prominence between antennal toruli 11 Gasterreddishbrowninthemiddle;ocellidarkreddishbrown;
slightly less than one-third the width offrons between eyes; POL almost equal in length to OOL; malar space very long,
scapeuniformlywhite,pedicel,anelliandfirst2funiclesegments almost 2 times the eye width; antennae dark brown except
yellow,restoftheflagelluminfuscated;onlytwoanellipresent; scape,pedicelandtheanellusreddishbrown,ananelluspresent;
scape5timesaslongaswide;FS1 longest,almost 1.5timesas scapeabout4timesaslongaswide;funiclesegmentssubequal
longaswide,funiclesegments2-4sub-equalinsize;distinctly insize;clubunsegmented,equaltoViofthepreceding2funicle
longer than wide; club 2 segmented longerthan preceding 2 segments; mesoscutum and scutellum shallowly and closely
funiclesegmentstogether;thorax smoothwithoutpunctation; punctate; the longerhindtibial spurdistinctly longerthanthe
316 J. Bombay Nat. Hist. Soc., 102 (3), Sep-Dec 2005
NEW DESCRIPTIONS
lengthofbasal2tarsaljointogether Head (Fig. I ): Smooth except upper part ofthe frons
E.spodopteraBhatnagar very finely reticulate; wider than long in facial view
—
Casterdarkbrownwithmetallicbluishreflectionsonthedorsum; (0.58: 0.43), frontovertex less than 3 times widerthan long
ocelli white; length ofPOL almost 2 times as much as OOL; (0.36: 0.19),ocelli arrangedinobtuseangledtriangle; POL:
malarspacelongerthaneyewidth;antennaeyellowwithslight OOL0.10:0.11;antennaltorulijustatthelowerlevelofeyes,
infuscationexceptscapeuniformlywhite;threeanellipresent; distance between antennal toruli situated (0.08) more than
scapeslightlymorethan5timesaslongaswide;funiclesegments l/4th the width of frons: malar sulcus absent; length of
graduallyincreasing inwidthdistad;FSl as longasFS2,FS3 malar space (0.19) much more than the eye width (0.11);
shortest, a trifle longer than wide FS4 quadrate; club three maxillary palp and labial palp two and one segmented
segmented; almost aslongasprecedingtwofuniclesegments respectively. Antennae (Fig. 4): Scape cylindrical, apex of
together; mesonotum and scutellum without punctations; scape reaching up to the median ocellus, about 7 times
longesthindtibialspurshorterthanthebasaltwojointstogether longerthanwide(0.25:0.035),pediceldarkbrown,short,more
E. viggianiisp.nov. than 2 times longer than wide (0.09: 0.035), 2 anelli
—12. Pedicel shorterthanFS1 13 present; funicle 4 segmented, subequal in size except
PedicelaslongasFSl 14 the FSl short (0.13: 0.55), numerous sensilla and hairs
13. Scapewhite,segmentoffunicleunequal;hindcoxaecompletely present.
— black E. biissyiCrawford Thorax(Fig.5):Pronotumreticulateanddeeplynotched
Scapebrown, segmentsoffuniclesubequal; hindcoxae black at theanteriormargin, posteriormarginconvexwith 2 pairs
basally andreddish brown apically; body blackexcept below oflong setae (Fig. 6), mesoscutum more than 2 times wider
antennaelightbrownandgasterwithalightbrownpatchinthe thanlong(0.59: 0.28)with6pairsofsetae,midlobecoarsely
middle;vertexandfaceveryfinelyandcloselypunctate,inlow and stronglyreticulate, scutellum smooth; axillaetriangular
power appears to be met with fine grains; antennae brown and weakly reticulate, scutellum slightly wider than long
except scape yellowish white; 2anelli present (0.31:0.16)withbluntapex,metanotum,bandlike,propodeum
E. inatimriBhatnagar expandedonsides,medianandsubmediancarinaeandplicae
14. Mesoscutumcoarselyreticulatemedio-posteriorly, finelyand prominent, sides of the propodeum with 3 long setae.
lineatelyshagreenedanterio-laterally,withoutamedianlineor Forewings (Fig. 7): more than 2 times longer than wide,
furrow;headwithoutpunctures;scutellumfaintlylongitudinally SMV long(0.34) with5 longsetae,MV much longer(0.51);
striate;funiclesegmentsgraduallyincreasinginlength,theFS4 PMVlongerthanSV(0.21:0.15),costalcellnaiTow,speculum
somewhatshorterthanFS3,clubentire
broadandclosedbelow,basaltrianglehyaline,discuniformly
E. HtethesiaeManiandKurian
— setose, marginal fringes moderate. Hind wings: more than
Midlobe ofmesoscutum reticulately rugose, at rear medially
4 times longer than wide, tapering at the apex, marginal
with 1 or2longitudinalrugae,whichextendfomardaboutone- fringes long. Legs (Figs 8-10): hind legs with 2 tibial spurs;
thirdthe lengthofmesoscutum; scutellumbasallyindistinctly
first tibial spur longer than basitarsus, remaining legs
reticulate E. nyctemeraeCrawford
normal.
15. Lightbrownwithwhitescape,andpedicel;gasterlightyellow
Gaster: Petioleslightly longerthanwide;firstvalvifer
excepttip,sidesandpetioleblack;petioleratherlong, 2times
aslongasbroadorlittleless,longerspurofhindtibiareaching triangular (Fig. 11) semicircular, second valvifer uniform in
width, curved; third valvulae rudimentary, outer plate of
0.66the lengthoffirsttwotarsal segments together
ovipositormuchenlarged,narrowatthebase,muchbroadened
E.ceyloneiisisHoward
— attheapex,apexdarkbrownwithalongsetae,dorsalmarginal
Yellowishbrownantennaeexceptscapewhitewithinfuscation,
ridge present throughout the length.
gasterdarkexcept with a broad yellow patch on mid dorsum
Male: Notknown
before apex petiole shortas long as wide, longerspurofhind
MaterialExamined: Holotype: $ india: Uttaranchal,
tibiaequaltothelength offirsttwotarsal segmentstogether. .
Nainital,Pantnagar,CRC,hostunknown,sweepnetcollection
E. dubeyisp. nov.
onPigeonPea.2.xii.l990.Hym: Eulo.Nr. 1001 (S.N.Sushil).
Euplectruspantnagarensis sp. nov. Paratypes:4 $ $,datasameasholotype.Hym:Eulo.Nr.3029b
(Figs 1-11) (S.N. Sushil). Holotype and Paratypes have been deposited
Female; Dark brown; head lustrous dark brown, eyes in the Entomological Museum. G.B.P.U. A & T, Pantnagar,
reddishbrown;antennaelightbrown;thoraxdarkbrownwith India.
purplish reflections; wings hyaline; legs yellow; gasterdark Etymology:Thespeciesnameisderivedfromthetype
brown. locality.
J. Bombay Nat. Hist. Soc., 102 (3), Sep-Dec 2005 317
NEW DESCRIPTIONS
Figs 1-11 Euplectruspantnagarensissp.nov.
:
1. Headinfrontalview,2.Headindorsalview,3.Antenna,4. Pronotum,5.Thoraxindorsalview,
6. Propodeum,7. Partofforewing, 8. Partofforeleg,9. Partofmidleg, 10. Partofhindleg, 11. Femalegenitalia
Euplectrus dubeyi sp. nov. hyaline; legs uniformly honey yellow; gaster dark except a
(Figs 12-23) broadyellowpatchonmiddorsum.
Head (Fig. 12): Smoothexceptupperpartofthefrons
Female: Body length about 2.12 mm; general body weaklyreticulate;frontovertexmorethan2.4timesaswideas
colourblackwithmetallicreflections;headblackwithslight long (0.69:0.29); headindorsal view morethan 1.3 times as
metallicreflectionsexceptclypealregionandscapewhitewith wide as long (0.67:0.50); ocelli arranged in obtuse angled
infuscation;thoraxdarkwithmetallicgreenreflections;wings triangle;POL:OOL0.15:0.07;widthoffronsmorethan3.5times
318 J. Bombay Nat. Hist. Soc., 102 (3), Sep-Dec 2005
NEW DESCRIPTIONS
Figs 12-23: Euplectrusdubeyisp.nov.
12.Headinfrontalview, 13.Headindorsalview, 14.Mandible, 15.Antenna, 16. Pronotum,
17.Thoraxindorsalview, 18. Forewing, 19. Hindwing,20.Partofforeleg,21. Partofmidleg,22. Partofhindleg,23. Femalegenitalia
the distance betweenantennal toruli; antennaeinsertedjustat pedicelwith2strongand2smallsetae,slightly2timesaslong
the lower level ofeyes; scape not reaching up to the level of as wide (0.09: 0.045), slightly longer than FSl; funicle 4
median ocellus; maxillary palp and labial palp two and one segmented,FSl lessthan2timesaslongaswide(0.07: 0.04),
segmented respectively. Malar sulcus absent, length ofmalar longerthaneachsucceeding segment,FS2andFS4sub-equal
space times the eye width; mandible bidentate Antenna (Fig. insize(0.06:0.05),slightlylongerthanwide,club2segmented,
15):8segmentedexcludingbroadanellus;scapeslightlydilated lessthan2timesaslongaswide(0.11: 0.065), shghtlyshorter
withlongsetae,morethan5timesaslongaswide(0.28:0.05); thanpreceding twofunicle segments together.
J. Bombay Nat. Hist. Soc., 102 (3), Sep-Dec 2005 319
NEW DESCRIPTIONS
Thorax(Fig. 17):Pronotumwithanteriormargindeeply punctures on frontovertex width less than 2 times the total
concaveinmiddleandreticulate(Fig. 16),anterolateralarms headwidth(0.34:0.61);ocelliwhitearrangedinobtuseangled
long and narrow, posterior margin much convex bearing 3 triangle; POL:OOL0.12:0.07; antennaltoruli slightlyabove
pairsoflongsetae;mesoscutumwiderthanlong(0.59:0.34), the lowerlevel ofeyes; apex ofscape notreaching uptothe
midlobeweaklyreticulateanteriorlyandstronglyposteriorly, medianocellus;prominencebetweenantennaltorulilessthan
andwith4pairsofsetae;scutellumdistinctlywiderthanlong l/4ththewidthoffronsbetweeneyes(0.09:0.34);malarsulcus
(0.40: 0.31), with 2 pairs ofsetae and round at apex; axillae absent, length of malar space longer than the eye width
smooth; propodeum less than 3 times as wide as long (0.62: (0.15:0.13); maxillary palp and labial palp two and one
0.22), with prominent median carina and plicae, spiracles segmentedrespectively.Ante/jnc/e(Pig.25):yellowwithslight
separated by a space more than one half the length of a infuscation,exceptscapeuniformlywhitish,ninesegmented
spiracle. Forewings (Fig. 18): more than 2 times as long as excluding3anelli;scapecylindrical,slightlymorethan5times
wide(1.69:0.72)withroundapex;costalcelllong,broadwith aslongaswide (0.22:0.05); pedicel lessthan2timesas long
9 setae in row; SMV with 5 long setae, 4 upward and 1 as wide (0.09:0.05), distinctly longer than ESI, funicle
MV MV
downward,slightlyshorter(0.48)than (0.53); with 13 4segmented, segmentsgraduallyincreasing inwidthdistad,
setae;SVmorethan(0.14) I/3rdthelengthofMVandslightly ESI (0.07:0.045)aslongasFS2(0.07:0.055),PS3 shortest,a
longerthanPMV(0.12);basalcellbare;speculumnarrowand triflelongerthanwide(0.065:0.06),PS4quadrate(0.07:0.07),
closedbelow; cubital vein almoststraight; subcubital lineof club 3 segmented,slightly morethan2timesas longaswide
hairs starting from the base ofcubital vein; marginal fringe (0.0165:0.08),almostaslongasprecedingtwofuniclesegments
short, spacedbyadistance lessthan 1/2oftheirlength. Fliml together.
wings (Fig. 19): 5 times as long as wide; marginal fringes Thorax:Darkbrownwithmetalhcbluishreflectionsand
spaced by a distance equal to 1/2 oftheir length. Fore legs pronotum(Fig.26)withanteriormargindeeplyconcaveinthe
(Fig.20):basitarsuswithanobliquerowof8setae;tibial spur middle,anterolateralarmsmoderate,posteriormarginconvex
muchshorter.Middlelegs(Fig. 21): apicalrimoftibiaewith2 hearing 3 pairs of long setae, posterolateral grooves deep,
pegstibial spurlong.Hindlegs(Fig.22):characterizedbythe side projectionsraised, developed; mesoscutumwith3 pairs
presence of two long tibial spur, longest tibial spur (0.32) oflongbristleswiderthanlongscutellumsmoothlongerthan
equaltothelengthofbasal2tarsalsegmentstogether,shortest wideand3pairsofbristles;axillaeweaklyreticulatepropodeum
tibialspur(0.22)sub-equalinlengthtothefirstbasalsegment. withamediancarina.Forewings(Fig.28):Hyalinealmost2.5
Gaster: Petiole short as long as broad; ovipositor timesaslongaswide(1.8:0.7);costalcellbroadandlongwith
slightlyconcealedarisingfromapicalonethirdofgaster;first 3 long and 15 small setae; SMV (0.61) with 4 strong setae,
valviferstriangular(Fig.23)withbasalmarginconcave;second longerthan MV (0.36), SV (0.18) 1/2 the length ofMV and
PMV
valvifers on uniform width, almost 8 times as long as wide distinctly shorter than (0.27); marginal fringe short,
(0.39: 0.05); third valvulae rudimentary (0.02) (Fig. 23), spaced by a distance equal to l/3rd of their length. Hind
articulatedwiththesecondvalvifers;outerplatesofovipositor wing: (Fig. 29) hyaline, less than 5 times as long as wide
narrowatthebase,widenedatapex,medianlongitudinalridge (1.3:0.28),bluntatapex;marginalfringespacedbyadistance
wellextendedtothe apexofouterplatesofovipositor. equal to 1/2 oftheir length. Fore legs (Fig. 30): uniformly
Male:NotKnown. yellowishwith slightinfuscation, tibial spurshot, apicalrim
MaterialExamined: Holotype: 9 india:UttarPradesh, oftibiae withfourstoutpegs,basitarsuswithanobliquerow
.
Rampur, host unknown, sweepnet collection, mango trees; of small setae on dorsal surface. Middle legs (Fig. 31):
26.x.1990.Hym:Eulo.Nr. 1002(R.S.J. Singh). Paratypes: 3 Uniformlyyellowish,femorawithalong,strongsetaeatapical
? ?,datasameasholotype.Hym:Eulo.Nr. 1002(R.S.J.Singh). end; tibial spur shorter than basitarsus; apical rim of tibiae
Holotype and Paratypes have been deposited in the with3stoutpegs.Hindlegs(Fig.32); Uniformlyyellowexcept
EntomologicalMuseum,GB.P.U.A&T,Pantnagar,India. coxae with slight infuscation, tibiae with two strong tibial
Etymology:ThespeciesisnamedinhonourofDr.O.P. spurs; longesttibial spurshorterthanthelengthofbasaltwo
Dubey,ADG (PP) ICAR, Govt, ofIndia, New Delhi for his tarsaljoints together.
contributiontopromotingInsecttaxonomyin India. Gaster (Fig. 33); Dark brown with metallic bluish
reflectionsonthedorsum;petiolate,petiole,almost 1.5times
Euplectrus viggianii sp. nov. aslongaswide;ovipositorconcealed,arisingfromapicalone
(Pigs24-33) thirdofgastralventer,firstvalviferstriangularwithbasaland
Head (Pig. 24): Dark brown with metallic bluish apicalanglesatdifferentlevel,basalmarginconcave,second
reflections,widerthanlong(0.61:0.44);finelyreticulatewith valvifers of uniform width and continuous with the third
320 J. Bombay Nat. Hist. Soc., 102 (3), Sep-Dec 2005
NEW DESCRIPTIONS
Figs24-33 Euplectrusviggianiisp. nov.
:
24. Headinfrontalaspect,25.Antenna,26. Pronotum,27.Propodeum,28. Forewing,29. Hindwing,30. Foreleg,
31.Middleleg,32. Hindleg,33.Gaster
valvulae, outerovipositor narrow at base, widened at apex; Pilibhit. Merasmia trapezalis (Guen.) (Lepidoptera:
subgenital plate of uniform width, anterior margin straight Pyraustidae)onZeamays. I.viii.l989. Hym: Eulo. Nr.4001
posteriormarginwithawidenotchinthemiddle. (M.A.Khan).Paratypes: 10 9?,datasameasholotype.Hym:
Length: 1.81 mm. Eulo. Nr. 4002 (M.A. Khan). Holotype and Paratypes have
Male:NotKnown. beendepositedintheEntomological Museum,G.B.P.U.A&
MaterialExamined:Holotype: ?.india:UttarPradesh, T,Pantnagar,India.
J. Bombay Nat. Hist. Soc, 102 (3), Sep-Dec 2005 321
NEW DESCRIPTIONS
34.Headinfrontalaspect,35.Maxillarypalp,36.Antenna,37.Pronotum,38.Propodeum,39. Forewing,
40. Partofforeleg,41 Partofmidleg,42. Hindleg,43.Ovipositor
.
Etymology:ThespeciesisnamedinhonourofProfessor (0.55:0.43); frontovertex less than 3 times as wide as long
G. Viggiani, University of Naples, Portici, Italy, for his (0.63:0.22),vertexwith6verylongsetae;oceUipale,arrangedin
outstandingcontribution tothe FamilyEulophidae. obtuseangledtriangle,POL:OOL0.14:0.09;eyesdarkbrown
andsmooth;antennaeinsertedwellabovelowerlevelofeyes;
Euplectrus longiscapus sp.nov. prominence between antennal toruh shghtly more than l/4th
(Figs34-43) thewidthoffronsbetweeneyes(0.08:0.33);apexofthescape
Head (Fig. 34): Dark brown with metalhc reflections, not reaching up to the median ocellus; malar sulcus absent;
sparselysetose;finelyreticulate,widerthanlonginfacialview length of malar space longer than eye width (0.18:0.11);
322 J. Bombay Nat. Hist. Soc., 102 (3), Sep-Dec 2005
NEW DESCRIPTIONS
mandiblesbidentatemaxillarypalp(Fig.35 andlabialpalptwo spur shorter than the length of basal two tarsal segments
)
andonesegmentedrespectively.Antennae(Fig.36):Scapewhite, together.
pedicel,anelli segmentsandfirsttwofuniclesegmentsyellow Gaster: (Fig.43)Darkbrownexceptawhitebroadpatch
andrestoftheflagelluminfuscated; uniformlysetose; pedicel on middle ofdorsum; densely setose, petiolate, petiole less
with a very long setae; 8-segmentedexcluding 2 anelli; scape than 2 times as long as wide; ovipositor concealed, arising
cylindrical,5timesas longwide(0.2:0.05);pedicel 2timesas fromapical l/3rdofgaster;firstvalvifers(Fig.43)triangular
longaswide(0.08:0.04),aslongasFS1;funicle4-segmented; withbasal andapicalanglesatdifferentlevels,basalmargin
FS1 longestandlessthan 1.5timesaslongaswide(0.08:0.05), concave; second valvifers (Fig. 43) of uniform width; third
FSs 2-4 subequal in size (0.07:0.055); club 2 segmented, less valvulae(Fig.43)rudimentary,articulatedwithsecondvalvifers;
than3timesaslongaswide(0.15:0.055),longerthanpreceding outerplates ofovipositor (Fig. 43) narrow atbase, widened at
twofuniclesegmentstogether. apex,subgenitalplateofuniformwidth,anteriormarginstraight,
Thorax: Dark with metallic reflections and reticulate posteriormarginwithawidenotchinthemiddle.
sculpture;pronotum(Fig.37)withanteriormarginconcavein Length: 1.75mm.
the middle, anterolateral arms moderately long, not much Male:Notknown.
narrow,posteriormarginconvexbearing6longsetae;notauli MaterialExamined: Holotype: ? india: Uttaranchal,
.
well developed; mesoscutum wider than long; scutellum Nainital, Pantnagar ex. Lamprosema indicata (Fabr.)
longerthanwide;sidelobe,mesoscutumandscutellumwith (Lepidoptera:Pyraustidae)onPhaseolusaureus(GreenGram)
2, 4 and 4 long strong setae respectively; axillae bare; 6.iii.1994.Hym:Eulo.Nr. 1003(M.A.Khan).Paratype: 9,data
propodeum (Fig. 38) with amedian carina. Forewings (Fig. sameasholotype.Hym:Eulo.Nr. 1003(M.A.Khan).Holotype
39): hyaline, less than 3 times as long as wide (1.68:0.68); and Paratypes have been deposited in the Entomological
costalcellbroad,setose,setaearrangedinanapicalrow, 12in Museum,GB.P.U.A.&T.,Pantnagar,India.
number; basal vein with 3 setae; basal cell bare; speculum Etymology:Thespeciesnameisfromthelongnatureof
short,closedbelow;cubitalveinsinuate; 10admarginalhairs the scape.
present;SMV(0.57)longerthanMV(0.5);PMV(0.19)longer
than SV (0.17); marginal fringe short, spaced by a distance ACKNOWLEDGEMENTS
equalto l/3rdoftheirlength.Hindwings:Hyaline,morethan
5 times as long as wide with apex blunt; sparsely setose; We thank Dr. G.C. Sachan, Professor and Head,
marginalfringe short, spacedbyadistanceequal to 1/2their DepartmentofEntomology,GB.PantUniversityofAgric.&
length.Legs(Figs40-42): yellow,apexofeachfemorawitha Tech.,Pantnagar,forprovidingnecessaryfacilities.Einancial
long setae; mid tibial spur as long as basitarsus (Fig. 41); assistancefromIndianCouncilofAgriculturalResearch,New
hind legs with two stout tibial spurs (Fig. 42), longest tibial Delhi,intheresearchprojectisgratefullyacknowledged.
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