Closterocerus longiscapus ( Bouček, 1986 )

Jamali, Mohd Majid & Zeya, Shahid Bin, 2021, Review of Indian Closterocerus (Hymenoptera: Chalcidoidea: Eulophidae), with description of two new species, Acta Entomologica Musei Nationalis Pragae (Acta. Ent. Mus. Natl. Pragae) 61 (1), pp. 231-241 : 232-235

Closterocerus longiscapus ( Bouček, 1986)

( Figs 1–2 )

Mangocharis longiscapus Bouček, 1986: 403 , female, male. Holotype: ♀, India, Karnataka, Bangalore (BMNH), not examined.

Mangocharis longiscapus: KIJ ൺඇ et al. (2005): 136 (record: Karnal, Haryana).

Closterocerus longiscapus : GඎආඈඏඌΚඒ (2001): 132 (synonymy).

Material examined. INDIA: Kൺඋඇൺඍൺκൺ: Bengaluru, Hebbal, 1♀ 5JJ:

1 J 1 ♀ (on slide under four cover slip slide Nos. EUL.150, EUL.151);

2 JJ (on cards), 16.vi.2014; 2 JJ (on cards), 24.xi.2015, Coll. K. Veenakumari ( ZDAMU). Uඍඍൺඋ PඋൺൽൾඌΗ: Chandauli, Turang, 1 J (on card), 18.vii.2010, Coll. F.R. Khan. ( ZDAMU).

Redescription. Female. Length, 1.35 mm. Head with vertex bluish green; frons pale yellow to pale brown; gena bluish. Antenna dark brown except for scape medially in dorsal margin, F2 and first claval segment that are pale brown. Pronotum brown with bluish reflection; mesoscutum blue with greenish reflection; scutellum blue with pale suffusion; metanotum pale brown; propodeum bluish. Fore wing hyaline with brown infuscation below stigmal vein ( Fig. 1B ). Fore and middle legs with coxae dark brown, trochanters pale white, femora and tibiae pale yellow except for brown to dark brown tarsal segments of fore leg 1–3, last tarsal segment pale yellow; tarsal segments of middle leg 1 and 4 pale yellow, 2 and 3 brown to dark brown; hind leg with coxa, trochanter, femur, tibia in basal third dark brown, apical two-thirds of tibia and tarsi pale white. Petiole in basal half brown and apical half white. Gaster with terga T1–T3 bluish, T4–T7 greenish blue.

Head ( Fig. 2A ), in frontal view, 1.44× as broad as high; eye height 2.90× as high as malar space. Antenna ( Fig. 2B ) with scape 5.50× as long as broad, 2.90× as long as pedicel; pedicel 2.42× as long as broad, longer than all flagellar segments individually; flagellum with 2 distinct anelli; F1 1.28× as long as broad, distinctly shorter than F2; clava 5.58× as long as broad; C1 longer than C2 and C3 individually.

Mesosoma 1.30× as long as broad; pronotum 0.33× mesoscutum; mesoscutum slightly longer than scutellum; notauli almost complete, faint posteriorly; middle lobe of mesoscutum with 1 pair of setae; scutellum slightly broader than long, with 1 pair of setae; pronotum, mesoscutum, scutellum and axillae with polygonal reticulate sculpture; dorsellum 4.90× as broad as long, with longitudinal sculpture; propodeum narrow with faint transverse reticulate sculpture, sides with rugose reticulate sculpture. Fore wing ( Fig. 1B ) 1.92× as long as broad; marginal vein + parastigma 1.78× as long as submarginal vein, 4.80× as long as stigmal vein; postmarginal vein 0.50× stigmal vein; longest marginal seta 0.10× maximum wing width. Hind wing ( Fig. 1C ) 5.90× as long as broad; longest marginal seta 0.63× maximum wing width.

Metasoma. Petiole 3.60× as broad as long; gaster longer than mesosoma; ovipositor ( Fig. 2C ) occupying more than two-thirds of gaster length, slightly exserted beyond apex of gaster; ovipositor 2.42× as long as hind tibia.

Relative measurements (slide, at 100×). Head height: width, 34: 49; eye height, 25; malar space, 8.50. Antennal segments length: width: scape, 25.00: 4.50; pedicel, 8.50: 3.50; F1, 4.50: 3.50; F2, 6.25: 2.25; C1, 6.25: 2.50; C2, 5.50: 3.00; C3, 5.00: 2.25; spicula, 2. Mesosoma length: width, 60: 46. Fore wing length: width, 96: 50; longest marginal seta, 5; submarginal vein length, 23; parastigma length, 5; marginal vein length, 36; postmarginal vein length, 4; stigmal vein length, 8.50. Hind wing length: width, 89: 15; longest marginal seta, 9.50. Hind tibia length, 28. Metasoma. Petiole length: width, 3: 11; gaster length, 71; ovipositor length, 68.

Male. Similar to female except for antenna and sexual characters. Antenna ( Fig. 2D ) slender; scape 9.80× as long as broad, 2.70× as long as pedicel; pedicel 4.15× as long as broad; pedicel as long as F1; flagellum narrow; gaster short and narrow.

Relative measurements (slide, at 100×). Head height: width, 31: 42; eye height, 22.50; malar space, 8.50. Antennal segments length: width – scape, 37.00: 3.75; pedicel, 13.50: 3.25; F1, 13.50: 1.75; F2, 11.25: 1.75; C1, 11.00: 1.50; C2, 11.25: 1.75; C3, 15.00: 1.50; spicula,5. Mesosoma length: width, 52: 37. Fore wing length: width, 82: 41; longest marginal seta, 7; submarginal vein length, 21; parastigma length, 5; marginal vein length, 29; stigmal vein length, 7; postmarginal vein length, 3.50. Hind wing length: width, 72: 12; longest marginal seta, 9. Hind tibia length, 25. Metasoma. Petiole length: width, 3: 9; gaster length, 50.

Differential diagnosis. Closterocerus longiscapus looks similar to C. pulcherrimus , but differs from the latter in the following characters: scape 5.50× as long as broad; clava 5.58× as long as broad; dorsellum with rugose sculpture, 4.90× as broad as long; fore wing with brown infuscate patch below stigmal vein. In C. pulcherrimus : scape 4.20–4.80× as long as broad; clava 4.90–5.16× as long as broad; dorsellum smooth, 5.30–6.80× as long as broad; fore wing hyaline.

Host. Unknown.

Distribution in India. Haryana, Karnataka, Tamil Nadu (Nඈඒൾඌ 2021), Uttar Pradesh (new record).

Closterocerus pulcherrimus ( Kerrich, 1970)

( Figs 3–4 )

Achrysocharis pulcherrimus Kerrich, 1970: 330 , female. Holotype: ♀, Malawi, Bvumbwe (BMNH), not examined.

Achrysocharis pulcherrimus : Kൾ*©*©ං*öIJ (1974): 629 (record: Pakistan, Shujabad).

Chrysonotomyia latipennis Khan & Shafee, 1981: 350 , female. Holotype: ♀, India, Aligarh , Hardwagunj (ZDAMU), examined. Synonymy

by Hൺඒൺඍ et al. (2005: 8).

Chrysonotomyia latipennis : Hඎඌൺංඇ & KIJൺඇ (1986): 215 (catalogue).

Chrysonotomyia pulcherrima : Hඎඌൺංඇ & KIJൺඇ (1986): 215 (catalogue).

Closterocerus pulcherrimus : Nൺ*©ൾඇൽ*©ൺඇ & SඎൽIJൾൾ*© (2005): 10

(record). Type material examined. Chrysonotomyia latipennis : Hඈඅඈඍඒඉൾ: ♀,

(on three slides under coverslip), INDIA: Uඍඍൺඋ PඋൺൽൾඌΗ: Aligarh, Hardwagunj, 31.xii.1974, Coll. M.Y. Khan. (ZDAMU, registration. No. HYM. CH.187).

Additional material examined. INDIA: Kൺඋඇൺඍൺκൺ: Bengaluru, Hebbal, 3 ♀♀ (on slide under four coverslips, slide Nos. EUL.32, EUL.180, EUL.181); 2 ♀♀ (on cards); 1 J (on slide under four coverslips, EUL.182), ( YPT), 25.xi.2014, Coll. K. Veenakumari. ( ZDAMU).

Redescription. Female. Length, 1.15–1.40 mm. Head green, except for pale brown frons, mouth pale yellow. Antenna pale brown except for scape that is pale white in basal half. Mesoscutum and scutellum largely metallic green except for scutellum that is pale brown laterally; axillae metallic green ( Fig. 3A ). Wings hyaline. All legs pale white except for brown coxae. Gaster with T1 green, T2 and T3 pale brown, T4 dark brown, T5 and T6 medially pale brown, laterally dark brown, T7 and ovipositor sheath dark brown.

Head ( Fig. 4A ), in frontal view, 1.32–1.39× as broad as high; eye height 4.80–5.40× as long as malar space; antennal toruli situated above lower eye margin. Antenna ( Fig. 4B ) with scape 4.20–4.80× as long as broad, 2.60× as long as pedicel; pedicel 1.91–2.00× as long as broad; flagellum with 2 distinct anelli; F1 slightly longer than broad, shorter than F2; clava 4.90–5.16× as long as broad.

Mesosoma ( Fig. 4C ) 1.19–1.40× as long as broad; pronotum narrow, hardly visible in dorsal view; mesoscutum as long as scutellum, with polygonal reticulate sculpture; notauli incomplete, present in anterior half; middle lobe of mesoscutum with 2 pairs of setae; scutellum slightly broader than long, medially with faint polygonal reticulate sculpture, laterally smooth with 1 seta near each lateral margin; dorsellum smooth, 5.30–6.80× as broad as long; propodeum smooth. Fore wing ( Fig. 3B ) 1.75–1.87× as long as broad; marginal vein + parastigma 1.76–1.90× as long as submarginal vein, 7.70–8.60× as long as stigmal vein; postmarginal vein as long as stigmal vein; longest marginal seta 0.08–0.09× maximum wing width. Hind wing ( Fig. 3C ) 4.85–5.80× as long as broad; longest marginal seta 0.34–0.42× maximum wing width.

Metasoma ( Fig. 4D ). Petiole 3.25–3.70× as broad as long; gaster distinctly longer than mesosoma; ovipositor occupying whole length of gaster, second valvifer touching posterior margin of petiole, slightly exserted beyond apex of gaster; ovipositor 2.56–3.13× long as hind tibia.

Relative measurements (n = 3; slide, at 100×). Head height: width, 28–33: 37–46; eye height, 22.5–27.0; malar space, 4.50–5.00. Antennal segments length: width – scape, 15–17: 3.50–3.75; pedicel, 5.75–6.50: 3.00–3.25; F1, 3.75–5.75: 3.25–4.50; F2, 4.75–6.50: 2.75–3.50; C1, 4.00–5.50: 2.75–3.00; C2, 4.50–5.00: 2.00–2.75; C3, 4.00–5.00: 2.00–2.50; spicula, 2. Mesosoma length: width, 41–50: 32–42. Fore wing length: width, 88–98: 47–56; longest marginal seta, 4.50; submarginal vein length, 21.00–22.50; parastigma length, 4–5; marginal vein length, 33–38; postmarginal vein length, 4.50–5.50; stigmal vein length, 4.75–5.00. Hind wing length: width, 76–85: 13.00–17.50. Hind tibia length, 30–32. Metasoma. Petiole length: width, 4.00–4.50: 13.00–16.50; gaster length, 78–84; ovipositor length, 82–94.

Male. Similar to female except for sexual dimorphism. Genitalia as in Fig. 4F .

Differential diagnosis. Closterocerus pulcherrimus comes close to C. partifuscipennis ( Girault, 1916) , but it differs from the latter in the following characters: eye height 4.80–5.40× as long as malar space; middle lobe of mesoscutum with 2 pairs of seate; fore wing 1.75–1.87× as long as broad; postmarginal vein as long as stigmal vein. In C. partifuscipennis : eye height 2.7× as long as malar space; middle lobe of mesoscutum with 1 pair of seate; fore wing 2.1× as long as broad; postmarginal vein 0.2× as long as stigmal vein.

Host. Unknown.

Distribution in India. Gujarat, Karnataka, Kerala and Uttar Pradesh (Nඈඒൾඌ 2021).

Figures

Fig. 1. Closterocerus longiscapus (Bouček, 1986). A – male, habitus; B–C – female: B – fore wing; C – hind wing.

Fig. 2. Closterocerus longiscapus (Bouček, 1986). A–C – female: A – head,frontal view; B – antenna; C – ovipositor.D–E – male:D – antenna; E – mesosoma.

Fig. 3. Closterocerus pulcherrimus (Kerrich, 1970), female:A – habitus; B – fore wing; C – hind wing.

Fig. 4. Closterocerus pulcherrimus (Kerrich, 1970). A–D – female: A – head, frontal view; B – antenna; C – mesosoma; D – metasoma. E–F – male: E – antenna; F– genitalia.