Cataglyphis zakharovi sp. n. - second socially parasitic species in the genus Cataglyphis Förster (Hymenoptera, Formicidae).

4 Pages·1997·0.12 MB·English

by  Radchenko, A. G.

ANNALES
Annales Zoologici (1997) 46: 207-210
ZOOLOGICI
Cataglyphis zakharovi sp. n. - Second Socially Parasitic Species
in the Genus Cataglyphis Forster (Hymenoptera, Formicidae)
RADCHENKO
Alexander G.
1. 1. Schmalhausen InstituteofZoology, Ukrainian National AcademyofSciences,Kiev,Ukraine
Abstract. Cataglyphiszakharovi,anewworkerlesssociallypaiasiticspeciesisdescribed. C.zakJiaroviwascollectedinthenestofC
sctipesForel inTurkmenistan.Newspeciessimilarto C. hannae-anothersociallyparasite,describedbyD.Agosti fromTunisia,and
easily differentiatedfrom speciesofbicolorgroupbysmallbodysize.
Key words: Hymenoptera,Formicidae, Cataglyphis, taxonomy
D. Agosti (1994) described C. hannae from Cataglyphis zakharovi Radchenko, sp. n.
females and males from Tunisia - the first socially
parasitic species in the genus Cataglyphis, belonging Material examined. HOLOTYPE: male, T.S.S.R. (now
tothebicolorgroup. I found 2males and 2females in Turkmenistan), Akybaj, 9.VIII.[19]72 (leg. A. Zakharov).
the collection of2^ological Museum ofthe Moscow PHoAlRoAtTypYcPaEnSd:pa1ramtaylpeesadnedpos2itfeatmaZloeoslofgircoamltMhuesseaummeofnetshte.
University, collected by Prof. A. Zakharov in MoscowUniversity, Moscow.
Turkmenistan. These males and females were found HOLOTYPE: HL=1.35; HW=1.3; OL=0.51;
in a nest of C. setipes Forel, and belong to the new, AL=2.95 mm; CI=96; SI=175; OI=39; FI=100;
probably sociallyparasitic, species that isvery differ- MPI=157;AI=174.
ent from the host species.
Measurements and indices follow Agosti, 1990, Diagnosis ofmales (Figs 1-7)
with some additions: AI=(AL:AH)xlOO (AH is Head somewhat elongate (CI=96-98), widely
height of alitrunk in profile from dorsum to lower rounded above eyes and with slightly concave sides.
base ofmesopleuron). Eyes large (01=39-40). Antennal scape long
(81=175-180); first, second and third funicularjoints
long, subequal one another (FI=97-100). Mandibles
not broad, masticatory margin bidentate. Maxillary
Address for correspondence: Alexander G. Radchenko, 1. 1.
SchmalhausenInstituteofZoology,UkrainianNationalAcademy palpes long (MPI=152-157), length of fourth joint
ofSciences, B. Khmelnitskystr. 15, Kiev-30, 252601, Ukraine equal or slightly shorter than sum of length of fifth
208 A.G.Radchenko
Figs 1-7. Cataglyphissuzbagkelnwitraolviplsapt.e;n.5,-masltiepe(sh,ollaotteyrpael)v;ie1w;-6he-asdtipiens,fufllr-ofmacbeevhiienwd;;27--vmoaixsiellllaa,rylaptaelrpaelsv-ie3w.-body in profile-4-
Cataglyphiszakharovisp.n. 20?
andsixthones, thirdjointslightlyshorterthanfourth Headandalitrunkdarkbrowntoblack,tibiaeanc
(3:4=1:0.8). Occipital margin with 1-2 outstanding tarsiochraceous,gasteryellow.
hairs, cheeks with 2 short hairs, clypeus with long Sizesmall (similartoC. hannae):HL=1.2&-13<
setae.Antennalscapewithoutoutstandinghairs. HW=1.25-1.30; SL=2.28; EL=0.51-052
Alitrunknothigh,ratherlong(AI=174-176),peti- AL=2.90-2.95mm.
ole nodiform, heightofnode approximatelyequal to
its length. Dorsum of alitrunk with numerous out- Diagnosisoffemales(Figs8-10)
standing hairs, dorsum of petiolar node with short Head somewhattransverse (CI=104),withsome
hairs. Femora and tibiae without outstanding hairs, what convex occipital margin and slightly concav.
only internal surface of tibiae with fine bristles. sides. Eyesratherlarge(01=29); antennalscapeIon;
Gastral tergites without outstanding hairs, sternites (SI=128-131);firstfunicularjointlongerthansecon^
with numerous long hairs. Head, alitrunk and gaster one(FI=148),secondandthirdonesequaloneanoth
denselysculptured,submate. er. Mandibles with 5 teeth (except basal tooth)
Subgenital plate with two short lateral and one Maxillary palpes long (MPI=157-160), its fourtl
median triangular processes. Stipes relatively short, jointsomewhatlongerthansumoflengthoffifthant
thickandwithmedialappendix.Volsellacurved,nar- sixth ones, third joint slightly shorter than fourth
rowedtotheapex. (3:4=1:0.8),
Figs8-10. Cataglyphiszakliarovisp.n.,female(paratype);8-headinfull-faceview;9-maxillarypalpes; 10-alitrunkandpe
eelinprofile.
210 A. G. Radchenko
Alitrunk long (AI=197-201), petiole nodiform, Females differ from C. hannae by transverse head,
height of node approximately equal to its length. relatively more long first funicularjoint, lower petio-
Pronotumwith sparseoutstandinghairs, anotherparts lar node.
of alitrunk and petiole without hairs. Femora, tibiae New species differs from C. setipes by much
and antennal scapes without erect hairs, only internal smallersize; besidesthis, itsmalesdifferfromthelat-
surface oftibiaewith row ofJSne bristles. Gastral ter- ter species by short lateral processes on subgenital
gitcs (except last one)without outstanding hairs, each plate,which subequal to median one (lateral process-
ofstemiteswith 2-3pairsoflongstraighthairs. Head, es in C. setipes much longer than median one);
alitrunk and gaster denselysculptured, submate. females differ from C. setipes by the absence of
Head and alitrunk orange-red, legs and scapes coarse, thick, black bristles on hind tibiae.
brownish-red, gaster darkbrown.
Size small (similar to C. hannae): HL=1.73-1.83; REFERENCES
HW-
1.80-1.90; SL=2.35-2.43; EL=0.53-0.55;
AL=3.45-3.48 mm. Agosti D. 1990. Review and reclassification of Cataglyphis
Workers unknown. (Hymenoptera, Formicidae). Journal ofNatural History, 24:
1457-1505.
A
AgostiD. 1994. newinquilineant(Hymenoptera,Formicidae)
Comments
in Cataglyphis and its phylogenetic relationship. Journal of
C. zakharovi differs from species ofbicolor group NaturalHistory, 28: 913-919.
by small size and similar to C. hannae Agosti.