Enicospilus plicatus ( Brullé, 1846 )

Pham, Nhi Thi, Pham, Phu Van, Matsumoto, Rikio, Shimizu, So & Broad, Gavin R., 2023, A review of the genus Enicospilus Stephens (Ichneumonidae: Ophioninae) from Vietnam, with descriptions of ten new species, European Journal of Taxonomy 873 (1), pp. 1-151 : 108-110

Enicospilus plicatus ( Brullé, 1846)

Fig. 61

Ophion plicatus Brullé, 1846: 145 ; holotype ♀ from Java ( MRSN) .

Enicospilus plicatus – Townes et al. 1961: 276.

Diagnosis

Interocellar area reddish brown; clypeus weakly to moderately convex, ventral margin subacute; mandible twisted 70°–80°, outer surface without a diagonal setose groove; fore wing fenestra without any sclerites or with weakly linear proximal and distal sclerites present, vein 2rs&RS strongly sinuous, vein 1m-cu&M strongly sinuous, sometimes with short ramellus, CI = 0.50–0.73.

Material examined

VIETNAM • 1 ♂; Thai Nguyen Province, Dai Tu, Cat Ne ; 15–20 Nov. 2007; Khuat D.L. leg.; Malaise trap; IEBR • 1 ♂; Ninh Thuan Province, Nui Chua NP ; 5 Aug. 2014; Hoang V.T. leg.; light trap; IEBR • 1 ♀; Cao Bang Province, Phia Oac - Phia Den NP ; 22°35′18.2″ N, 105°52′33.2″ E; 1200 m a.s.l.; 22 May 2021; Hoang V.T. and Pham V.P. leg.; light trap; IEBR • 1 ♂; Dong Nai Province, Vinh Cuu, Bu Dang ; 11°26.517′ N, 107°06.182′ E; 178 m a.s.l.; 11 Jun. 2021; Pham T.N., Hoang V.T. and Pham V.P. leg.; light trap; IEBR .

Remarks

In comparison with specimens examined by Gauld & Mitchell (1981), Vietnamese specimens have more strongly twisted mandibles (60°–80° vs 25°–40°) and shorter fore wings (16.0–21.0 mm vs 19.0– 22.0 mm). Their terminal tergites are entirely reddish brown to blackish.

Distribution

Brunei, China (including Taiwan), India, Indonesia, Malaysia, Papua New Guinea, Philippines, Singapore, Thailand, and Vietnam ( Yu et al. 2016).

Figures

Fig. 61. Enicospilus plicatus (Brullé, 1846), ♀ (IEBR). a. Habitus. b. Head, frontal view. c. Head, dorsal view. d. Head, lateral view. e. Mesosoma, lateral view. f. Central part of fore wing. Scale bars = 1.0 mm.