Microplitis demolitor Wilkinson

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: 391-393

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Microplitis demolitor Wilkinson


Microplitis demolitor Wilkinson 

Microplitis demolitor Wilkinson 1930  ; 119. Holotype BMNH.

Microplitis demolitor Parrott 1953: 202  ; Shenefelt 1973: 743; Austin & Dangerfield 1992: 42; 1993: 1116; Gupta 2013: 435 View Cited Treatment (See Shenefelt 1973 for complete bibliography).

Materials examined. Types. Cotype ♂, Queensland, H. Jarvis Stanthorpe, Microplitis demolitor Wilkinson  , cotype, host: H. obsoletes Brad.  i. 32, pres.by Imp.Inst.Ent.Brit.Mus. 1934.171 ( BMNH).

Other specimens examined. 1 ♂ Australia, N.S.W, Narrabri, 23.i. 1961, M.Nilktin, B.M. 1961 - 402, Microplitis demolitor Wilk. Det. Austin & Dangerfield, 1993  ( BMNH); 1 ♂ Pakistan, 25.iii. 86, Rahmiyar Khan, ex. larva of Heliothis  feed on Cicer arietinum  CIE A 18556View Materials, Microplitis demolitor Wilk. det.  A.K. Walker, 1987, Austin & Dangerfield, 1993, Press by Comm. Inst. Ent. BM 1986 - 1 ( BMNH); 1 ♂ India, Kerala, CU Campus, 22.ii. 94 (R- 455), sweep net, coll. Rema ( DZUC); 1 ♂ India, Kerala, Nilambur, 11.viii. 87 (R- 382), sweep net, coll. Sumodan ( DZUC).

Female. Body length 2.4 mm (based on examined specimens).

Head: Subcircular, 1.1 × as wide as long in anterior view ( Fig. 10View FIGURE 10 -B); lateral temples hidden behind eyes in anterior view ( Fig. 10View FIGURE 10 -B); width of face (at widest) 0.5 × width of head; face 1.5 × as wide as long, slightly convex, finely micropunctate, densely setose ( Fig. 10View FIGURE 10 -B); vertex, lateral temples and occiput smooth except for micropunctures, densely setose; frons smooth except for micropunctures, setose along eye margin, with few striations behind antennal sockets and short medial carina between sockets; ocelli small, forming acute triangle, slightly raised above rest of vertex, POL 1.3 × OOL; eyes densely pilose, emarginate at antennal sockets; antennae 1.2 × as long as body, first flagellomere 1.1 × as long as second flagellomere, 2.2 × as long as wide; second flagellomere 1.9 × as long as wide; terminal flagellomere acute, 2.5 × as long as wide.

Mesosoma: Mesosoma 1.3 × as long as high; mesoscutum mostly smooth and shining except for micropunctures, densely setose, medial furrow absent ( Fig. 10View FIGURE 10 -A & F); notauli slightly indented, smooth, area where notauli meet posteriorly broad and flat, divided by short medial longitudinal carina ( Fig. 10View FIGURE 10 -F); scutellar lunules broad, divided by five carinae ( Fig. 10View FIGURE 10 -F); areas lateral to scutellar lunules smooth; dorsal scutellum mostly smooth and shining, except for micropunctures, densely setose, lateral margins with single row of punctures, posterior band rugulose medially; propodeum with percurrent medial longitudinal carina and curved transverse carina in anterior half, rest coarsely rugose ( Fig. 10View FIGURE 10 -A & E); lateral pronotum with oblique crenulate furrow, area postero-medially to furrow smooth, rugulose posteriorly, lightly strigose anteriorly, rugulose-granulate dorsally ( Fig. 10View FIGURE 10 -C); mesopleuron finely punctate, setose anteriorly and dorsally, smooth and glabrous postero-medially; epicnemial area pilose, with deep crenulate epicnemial furrow reaching to anterior margin of mesopleuron; precoxal groove shallow, crenulate, upturned anteriorly, almost reaching margin of mesopleuron at epicnemial furrow; mesosternum smooth, sparsely setose; hind coxa mostly smooth, except for micropunctures; hind femur 3.8 × as long as wide; hind tibia 6.7 × as long as wide; outer hind tibial spur 0.3 × as long as basitarsus.

Wings: Fore wing 2.6 × as long as wide ( Fig. 10View FIGURE 10 -E); pterostigma 2.5 × as long as wide ( Fig. 10View FIGURE 10 -E); 1 -M slightly arched throughout; areolet quadrangular ( Fig. 10View FIGURE 10 -E); margin of vannal lobe convex, setose.

Metasoma: T 1 2 × as long as wide, smooth, faint medial depression basally, faintly constricted medially, rounded apically ( Fig. 10View FIGURE 10 -A); T 2 without median field ( Fig. 10View FIGURE 10 -A); T 2 –T 7 smooth, with sparse transverse row of fine setae posteriorly ( Fig. 10View FIGURE 10 -A); hypopygium smooth, sparsely setose; ovipositor sheaths straight, sparsely setose apically.

Colour: Head, mesosoma and T 4 –T 7 black ( Fig. 10View FIGURE 10 -A), antennae dark brown, palps, legs and TI –T 3 orangebrown, except for tarsal segments which are brown, wings infuscate, with darker areas below pterostigma and around discal cell ( Fig. 10View FIGURE 10 -E), venation brown, pterostigma brown to dark brown, sometimes with indistinct lighter spot basally ( Fig. 10View FIGURE 10 -E).

Male: As for females except as follows; body length 2.2 mm (type series), antennae slightly longer; T 1 darker in colour; T 3 –T 7 with slightly longer hairs.

Distribution. Australia, India and Pakistan.

Host. Helicoverpa armigera (Hübner)  , Helicoverpa punctigera (Wallengren)  , Helicoverpa zea (Boddie)  , Heliothis virescens (Fab.)  , Chrysodeixis includes (Walker)  , Spodoptera frugiperda (Smith & Abott)  , Spodoptera littoralis (Boisduval)  , Spodoptera litura (Fab.)  and Laelia obsoleta (Fab.)  .

Discussion. This species is closely related to M. murkyi  in having the distinct transverse carina on propodeum, absence of medial furrow on mesoscutum. It differs from M. murkyi  in the following characters, T 1 2.1 × as long as wide (in M. murkyi  T 1 1.85 × as long as wide), T 2 without median field (in M. murkyi  T 2 with distinct median field).

Comments. We could not examine the holotype. The above description is based on the examined material.


Departamento de Zoologia da Universidade de Coimbra














Microplitis demolitor Wilkinson

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

Microplitis demolitor

Gupta 2013: 435
Austin 1992: 42
Shenefelt 1973: 743
Parrott 1953: 202