Dasyproctus leclercqi Binoy, Girish Kumar & Santhosh, 2021

Binoy, C., Kumar, P. Girish & Santhosh, S., 2021, Review of Indian Dasyproctus Lepeletier & Brullé 1835 (Hymenoptera Crabronidae) with description of four new species, Zootaxa 4991 (3), pp. 467-498 : 483-485

6. Dasyproctus leclercqi Binoy, Girish Kumar & Santhosh , sp. nov.

( Figs 63–72 )

urn:lsid:zoobank.org:act:98DB02F5-FEAC-4C92-8507-9226ED97A737

Diagnosis. The new species runs to the widespread D. agilis (F. Smith, 1858) in the key to Asian and Oceanic Dasyproctus ( Leclercq 2015) , as it has the clypeus with a very deep emargination, without lateral denticle. The new species, however, differs from D. agilis in having the head and mesosoma with distinct punctures and thick stout setae arising from them (in D. agilis , the head and mesosoma have distinct but less prominent setigerous punctures); mandible black with apical third reddish brown (in D. agilis , the mandible is yellow at least medially); pronotal collar with maculation reddish brown, limited as streaks on anterior border, black medially (in D. agilis , almost entire dorsum of the pronotal collar is yellow); mesoscutum black with reddish orange spot over axilla, scutellum entirely black (in D. agilis , axilla and scutellum have distinct yellow markings, the scutellum is often bimaculate); posterior margin of scutellum distinctly foveolate (in D. agilis , the scutellum posteriorly is not foveolate); metanotum with longitudinal rugae forming foveolate groove before posterior margin (in D. agilis , the metanotum is irregularly rugose, but has no foveolate grove before posterior margin); legs (except tarsi) and metasomal terga entirely black (in D. agilis , at least apices of fore and mid femora and Gt 4 and Gt 5 with a yellow macula).

Description: Holotype ♀ ( Figs 63–72 ). Body length 8.66 mm; fore wing length 5.12 mm.

Colour. Body matt black with following parts variously coloured: scape and pedicel pale yellowish orange, remaining antennomeres brown, mandible black with apical part reddish, anterior margin of pronotal collar with two medially well-separated orange-brown patches, pronotal lobe pale yellowish orange, all coxae, trochanters and femora deep brownish black, fore and mid tibiae black ventrally, pale orange-brown dorsally; all tarsi pale brown, ventrally paler.

Pubescence. Thick silvery bristles on clypeus and scapal basin; comparatively fainter setae on gena; thick, dense stubble-like brown setae on frons and vertex to occiput (ocellar area glabrous); scattered long setae on pronotal collar; mesoscutum anteriorly with dense stubble-like brown setae; scutellum with lesser setae; mesopleuron almost glabrous; metapleuron with thin pale brown setae, propodeum medially almost glabrous, with long white setae laterally; legs moderately setose; all terga (except Gt 1) with thick brown setae all over.

Head. As seen from above transverse, 1.5 × as wide as long ( Fig. 67 ); mandible bidentate with identical teeth; clypeus with surface well-hidden below thick silvery bristles, apico-medially distinctly bidentate; clypeal carina distinct, clypeal disk with distinct punctation ( Fig. 66 ); antennal toruli almost touching one another and almost touching inner eye margin; scapal basin with dense setae masking sculpturing underneath; IOC conspicuous medially, obsolete at inner eye margin; no medio-longitudinal grove above IOC ( Fig. 65 ); frons matt, with well imprinted pits and dense setae emerging from them; vertex with similar sculpturing, ocellar area glabrous; gena with minute setigerous punctures; supraorbital furrow distinct, oval; POD 0.86 × OOD ( Fig. 67 ); scape with two carinae ventrally; relative lengths of scape: pedicel: flagellomeres I to XI (last) = 7.2: 1.1: 1.4: 1.3: 1.4: 1.3: 1.1: 1.0: 0.9: 0.9: 1.8.

Mesosoma . Pronotum with distinct transverse carina medio-dorsally, laterally granulate with few wrinkles; pronotal collar with lateral corner slightly angulate, medial notch on pronotal collar distinct, transversely striate; anterior carina on collar conspicuous dorsally ( Fig. 68 ); mesoscutum anteriorly with well-impressed setigerous punctation, punctures posteriorly scattered; lateral mesoscutal margin carinate, posterior margin finely sinuate, forming buttressing ridges along mesoscuto-scutellar margin; scutellum anteriorly with scattered punctures, posteriorly with longitudinal striation extending onto distinctly foveolate apical margin; metanotum with longitudinal rugae, meeting foveate furrow on propodeal margin; propodeum with radiating longitudinal rugae, interspaces pitted; hind femur basally angulate; hind tibia with three pairs of stout spines; mesopleuron and mesosternum matt with distinct setigerous micropunctures ( Fig. 69 ); fore wing moderately setose, with brown tinge ( Fig. 70 ).

Metasoma. Petiolate, with width of stigmata equal to maximum width of hind femur ( Fig. 71 ); all terga matt black, Gt 1 equal to 2.8 × as long as wide, anterior third polished with distinct rugae laterally, remainder matt with very few setigerous micropunctures ( Fig. 72 ); Gt 2 –Gt 5 densely setose.

Male. Unknown.

Prey. Unknown.

Etymology. The specific epithet is a commemorative, genitive noun in apposition taken from the patronym Leclercq in honour of the late Dr. Jean Leclercq for his immense contributions to the study of the world Crabronini .

Distribution. India: Nagaland.

Material Examined. Holotype ♀, India: Nagaland: Mokokchung dt., Longchem (26°36’54.0”N 94°26’00.1”E,

365m), 22.ix.1994, Coll. B. Mitra & party, ( ZSIK) Regd. No. ZSI/ WGRC /IR/INV.16509

Figures

FIGURES 63–70. Dasyproctus leclercqi Binoy, Girish Kumar & Santhosh, sp. nov. Holotype ♀. 63. Habitus, lateral view; 64. Head, lateral view; 65. Head, frontal view; 66. Clypeus; 67. Head, dorsal view; 68. Mesosoma, dorsal view; 69. Mesosoma, lateral view; 70. Fore wing.

FIGURES 71–72. Dasyproctus leclercqi Binoy, Girish Kumar & Santhosh, sp. nov. Holotype ♀. 71. Gt1 & Gt2 (Gt3 in part), dorsal view; 72. Metasoma, lateral view.