Microplitis areyongensis Austin & Dangerfield

Ranjith, A. P., Rajesh, K. M. & Nasser, M., 2015, Taxonomic studies on Oriental Microplitis Foerster (Hymenoptera: Braconidae, Microgastrinae) with description of two new species from South India, Zootaxa 3963 (3), pp. 369-415: 383-385

publication ID

http://dx.doi.org/10.11646/zootaxa.3963.3.4

publication LSID

lsid:zoobank.org:pub:C543FC96-D621-4BAD-8746-ED14E447F948

persistent identifier

http://treatment.plazi.org/id/6E2F87FE-FFF0-FFA5-3DF0-9E3F7D41DE95

treatment provided by

Plazi

scientific name

Microplitis areyongensis Austin & Dangerfield
status

 

Microplitis areyongensis Austin & Dangerfield 

Microplitis areyongensis Austin & Dangerfield 1993: 1112  . Holotype AEIC.

Materials examined. 2 ♀♀ “ India, Kerala, Nilambur, 11.viii. 87 (R- 339 & R- 340), sweep net, coll. Sumodan” ( DZUC)

Female. Body length 3.2 mm.

Head: Oval in anterior view, lateral temples hidden behind eyes in anterior view ( Fig. 6View FIGURE 6 -B); width of face (at widest) 0.48 × width of head; face finely rugose-punctate, densely pilose, slightly convex, sometimes with small node dorso-medially below antennal sockets ( Fig. 6View FIGURE 6 -B); clypeus strongly convex, with small irregular punctures; vertex, temple and frons smooth except for micropunctures associated with pilosity; temple medially 0.7 × width of eye in lateral view; eyes pilose, inner margins adjacent to antennal sockets straight ( Fig. 6View FIGURE 6 -B & D); ocelli small, forming acute triangle, POL 0.75 × OOL; antennae as long as body, first flagellomere 2.7 × as long as wide.

Mesosoma: Mesoscutum wider than head, medial and lateral lobes finely punctate, slightly coarser on medial lobe, medial lobe with medial furrow indicated by row of punctures in posterior half, fading anteriorly ( Fig. 6View FIGURE 6 -D); notauli impressed, rugulose-crenulate, meeting posteriorly in broad strigose-rugulose field, which is divided medially by longitudinal carina, medial lobe without longitudinal furrow indicated ( Fig. 6View FIGURE 6 -D); scutellar lunules narrow, divided by seven carinae; dorsal scutellum rugulose punctate, in posterior half bordered laterally by crenulate furrow forming distinct carinate margin ( Fig. 6View FIGURE 6 -D); propodeum with indistinct transverse carina; lateral pronotum with oblique crenulate furrow, band ventral to furrow smooth, rugulose dorsally and posteriorly, lightly strigose anteriorly ( Fig. 6View FIGURE 6 -C); mesopleuron finely punctate, pilose in dorsal and anterior parts, rest smooth, shining and glabrous; epicnemial furrow crenulate, reaching to anterior margin of mesopleuron ( Fig. 6View FIGURE 6 -C); precoxal groove rugose-crenulate, upturned anteriorly, almost meeting epicnemial furrow; mesosternum smooth, sparsely pilose; hind coxa mostly smooth, with fine oblique striae dorsally ( Fig. 6View FIGURE 6 -E); hind tibia 1 spurs 0.3 × hind basitarsus; hind tarsal claws small, slightly pectinate.

Wings: Fore wing 2.6 × as long as wide ( Fig. 6View FIGURE 6 -F); pterostigma broad, 2 × as long as wide ( Fig. 6View FIGURE 6 -F); 1 -R 1 short, 0.54 × distance from pterostigma to SR 1; 1 -M evenly arched throughout; areolet variable, quadrangular to subtriangular ( Fig. 6View FIGURE 6 -F); 1 -CU 1 0.45 × as long as 2 -CU 1; hind wing with 2 -SC+R short but present; first submarginal cell elongate, 1.6 –2.0× as long as basal width.

Metasoma: T 1 short, broadening apically, 1.4 × as long as wide, with broad medial longitudinal furrow, finely punctate-strigose except for smooth apical margin; T 2 in medial line 0.7 × as long as T 3, smooth, without median field; T 3 –T 7 smooth, with irregular rows of sparse hairs posteriorly; ovipositor sheaths rounded apically, with small tuft of fused hairs at apex and short fine pilosity behind ( Fig. 6View FIGURE 6 -E); hypopygium short, with only a few scattered hairs; pointed tuft of fused hairs at apex of ovipositor sheaths indistinct ( Fig. 6View FIGURE 6 -A & C).

Colour: Body generally dark, head and mesosoma black, metasoma dark brown, sometimes with TI –T 3 lighter than posterior metasoma; palps brown; legs red to brown; antennae dark brown; wings hyaline with infuscate patch below pterostigma.

Male: Unknown.

Distribution. Australia, India (Kerala) and Vietnam.

Host. Unknown.

Discussion. This species is very close to M. leucaniae  in its coarsely rugose propodeum and the number of carina dividing the scutellar lunules. But it differs from M. leucaniae  by the fore wing 2.6 × as long as wide, pterostigma 2 × as long as wide and T 1 with a broad medial longitudinal furrow (in M. leucaniae  fore wing 2.16 × as long as wide, pterostigma 3.1 × as long as wide and T 1 without broad medial longitudinal furrow). It also has some similarities with M. abrs  (Australian species, examined) by having a smooth head and similar sculpturing pattern on the mesoscutum and scutellum. But M. areyongensis  differs in having the anterior mesoscutum punctate, the medial lobe with a medial furrow indicated by punctation and a much broader TI. This species also shows some similarities with M. murrayi  (Australian species, examined), but differs in the sculpturing of the vertex, temples, medial lobe of the mesoscutum and T 1, and shape of TI.

Comments. We have used images of the holotype taken by Dr David Wahl ( AEIC).

AEIC

American Entomological Institute

DZUC

Departamento de Zoologia da Universidade de Coimbra

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hymenoptera

Family

Braconidae

Genus

Microplitis

Loc

Microplitis areyongensis Austin & Dangerfield

Ranjith, A. P., Rajesh, K. M. & Nasser, M. 2015
2015
Loc

Microplitis areyongensis

Austin 1993: 1112