Description of a new Species of the Genus Dolichogenidea Viereck (Hymenoptera : Braconidae) from India

2005·0.98 MB·

by  K Pandey

) ®
Journal of the Bombay Natural History Society, 102 (3), Sep-Dec 2005 324-325
DESCRIPTION OF A NEW SPECIES OF THE GENUS DOLICHOGENIDEA VIERECK
(HYMENOPTERA: BRACONIDAE) FROM INDIA*
K. Pandey-'^, Z. Ahmad--\A.A. Haider--^and Shujauddin--
'Accepted July, 2004
-Section of Entomology, Department of Zoology, Aligarh Muslim University, Aligarh 202 002, Uttar Pradesh, India,
3Email: [email protected]
-’Email: [email protected]
"Email: [email protected]
^Email: [email protected]
AnewspeciesofthegenusDolichogenideaViereck,namelyD. masonisp. nov.isdescribedandillustrated.
Keywords:Hymenoptera,Braconidae,Microgastrinae,Dolichogenidea,newspecies,India
INTRODUCTION with a crenulate groove dividing into postero-dorsal and
postero-medial arms; mesopleuron coarsely punctate
The genus Dolichogenidea Viereck (1911) was anteriorly,smoothandshinymedio-posteriorly,metapleuron
synonymizedwithApanfp/esFoersterbyMuesebeck(1920). smoothandshiny;propodeum(Fig. 3)withUshapedareola,
Later, Nixon (1965) treated the species described in somewhat smooth and shiny anteriorly while very finely
Dolichogenidea as ultor species group of Apanteles. rugulose posteriorly; hind coxae large, smooth and shiny,
However, the genus Dolichogenidea was revalidated by almost reaching up to T^; hind tibia 1.25x longer than hind
Mason(1981).Dolichogenideaiscloselyrelatedtothegenus femur;hindbasitarsus 1,2xlongerthanoutertibial spur.
Apanteles, but it is easily distinguished in having margin of Wings: Forewing(Fig. 1)withsparsepilosityinbasal
vanal lobe convex, rarely flattened and uniformly hairy; half, densely and evenly pilose in apical half; stigma 2.75x
puncturesofscutumdistinctandwellseparatedandT^parallel longerthanwide,0.9xlongerthan 1-R1;veinraboutaslong
sidedorslightlybroaderapically. asmaximumheightofpterostigmaand 1,6xlongerthan2-SR,
Nixon (1967) provided a key to the Indo-Australian
species of the ultor group of Apanteles, and included
9speciesfromIndia.Recently,SumodanandNarendran(1990)
and, Sathe and Bhoje (2000) added 4 species to
Dolichogenidea. Inthepresentwork,anew species, namely
D. masonisp. nov. isdescribedfromIndia.
Dolichogenidea masoni sp. nov.
(Figs 1-3
mm
Female:3.0 long.
Head:Transverse, 1,8xwiderthanlongindorsalview,
with moderately dense white pilosity including eyes; vertex
indistinctlypunctatewith hairs;OOL:POL:AOL:0OD=5:5:
2: 2; frons concave smooth and shiny medially, punctate
elsewhere; face indistinctly punctate, 1.2x wider than long
with an indistinct median dorsal node; clypeus indistinctly
punctate; antennae slightly longer than the body.
Mesosoma: 1.6x longer than wide with moderately
dense, whitepilosityexceptmesopleuronmedio-posteriorly
and metapleuron; scutum 1.4x wider than long, coarsely
punctate with hairs, punctures become dense and more
distinctatimaginarycourseofnotauli;scutellumsmoothand Figs1-3: Dolichogenideamasonisp. nov. ?
shiny except for few indistinct setigerous punctures 1. Forewing;2.T,andT^;3. Propodeum
associated with hairs; sides ofpronotum smooth and shiny ScaleLine:Fig. 1=1.0mm,2&3=0.5mm
1
NEW DESCRIPTIONS
angle between them distinct; discal cell slightly wider than on Tabernaemontana divaricata.
long; vanal lobe ofhind wing with long hairs basally, short Cocoons: White and heapedtogetherin masses.
andevenhairs apically. Distribution: india: UttarPradesh.
Metasoma: (Fig. 2) approximately 1.5xlongerthan Etymology:ThespeciesisnamedafterDr.WilliamR.
wide, almost equally broad anteriorly as posteriorly, but Mason for his valuable contribution to our knowledge of
slightlybulging sub-basally and slightly narrowermedially, microgastrinewasps.
longitudinally rugulose-punctate over 0.6 of apical tergite; Remarks: Dolichogenidea masoni sp. nov. closely
Tj(Fig.2)finelysculptured,4.2xwiderthanlongwithslightly resembles the Indian species D. mohandasi (Sumodan &
convexposteriormargin;hypopygiumlarge,mediallyfolded; Narendran),butdiffersinhaving(i)vertexindistinctlypunctate
ovipositorsheaths 1.2xlongerthanhindtibia,uniformlyhairy (vertex finely rugulose in mohandasi), (ii) head 1.8x wider
all along the length; ovipositor thick and stout and slightly than long (head 1.5x wider than long in mohandasi), (iii)
curved downwards. ovipositorslightlycurveddownwards(ovipositoruniformly
Colour: Black except for the following: mandible, curved in mohandasi), (iv) scutellum with few indistinct
antennaereddishbrown;maxillarypalpi,labialpalpiandtibial punctures (scutellum completely smooth and shining in
spurspaleyellow; scapebeyondapicalrim,hindlegbeyond mohandasi).
coxae, basal part ofbasitarsus, mid leg beyond coxae, and Abbreviationsused:OOL-ocello-ocularhne;POL-post-
fore leg are yellowish; apical hind tibia, apical segment of ocellarline;AOL-anterior-ocellarline;0OD-diameterofan
hind basitarsus, stigmabrown and wings hyaline. ocellus; ZDAMU- Zoology Department, Aligarh Muslim
Male: Sameasfemaleexceptforfollowing:Length2. University.
mm;antennalonger.
Holotype: ?,India: UttarPradesh,Aligarh; 15.x.2001 ACKNOWLEDGEMENTS
ex.Parotissp.on Tabernaemontanadivaricata.Coll. Kavita
Pandey, depositedin thecollectionsofZDAMU (Catalogue WethankProf. M. Hayatforreviewingthemanuscript
No. HB. 1030). Paratypes: 10 9 9 and 10 <Sc?,datasameas and offering useful suggestions. The second author also
holotype. acknowledges Department of Science & Technology, New
Host:RearedimmParotissp.(Lepidoptera: Pyralidae) Delhiforfinancialassistance(GrantNO.SR/FT/L-92/2003).
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J. Bombay Nat. Hist. Soc., 102 (3), Sep-Dec 2005 325