Enicospilus flavocephalus ( Kirby, 1900 )

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 : 58

Enicospilus flavocephalus ( Kirby, 1900)

Fig. 29

Ophion flavocephalus Kirby, 1900: 82 ; lectotype ♂ from Christmas Is. (Indian Ocean) ( NHMUK) .

Enicospilus flavocephalus – Cushman 1937: 306.

Diagnosis

Interocellar area reddish brown; clypeus weakly convex, ventral margin bunt; mandible twisted ca 30°, outer surface without a diagonal setose groove; fore wing fenestra with proximal, central and distal sclerites, central sclerite strong, linear, parallel to weak distal sclerite, vein 1m-cu&M centrally angled.

Material examined

VIETNAM • 1 ♂; Kien Giang Province, Kien Luong, Hon Chong ; 18 Jun. 2005; Ta H.T. and Hoang V.T. leg.; light trap; IEBR • 2 ♂♂; Son La Province, Thuan Chau, Chieng Bom ; 3 Sep. 2016; Pham V.P. leg.; light trap; IEBR • 1 ♀; Hoa Binh Province, Luong Son, Thanh Lap ; 25 Feb.–5 Mar. 2019; Nguyen D.H. leg.; Malaise trap; IEBR • 1 ♀; Cao Bang Province, Phia Oac - Phia Den NP ; 22°35.305′ N, 105°52.552′ E; 1216 m a.s.l.; 24 May 2020; Hoang V.T. and Pham V.P. leg.; light trap; IEBR • 1 ♀; same locality as for preceding; 3 Jun. 2020; Nguyen D.H. leg.; light trap; IEBR • 1 ♂; Cao Bang Province, Ha Quang, Thanh Long ; 22.76852° N, 105.9687° E; 590 m a.s.l.; 24 May 2022; Pham T.N., Hoang V.T. and Pham V.P. leg.; light trap; IEBR .

Remarks

In comparison with the specimens examined by Gauld & Mitchell (1981), Vietnamese specimens have shorter fore wings (8.2–12.0 mm vs 10.0–13.0 mm) and greater SDI (0.98–1.20 vs 0.76–1.10).

Distribution

Previously known from Australia, Brunei, China (including Taiwan), India, Indonesia, Japan, Malaysia, New Caledonia, Papua New Guinea, Philippines, Singapore, Solomon Islands, and Sri Lanka ( Yu et al. 2016). These are the first records of this species from Vietnam.

Figures

Fig. 29. Enicospilus flavocephalus (Kirby, 1900), ♀ (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.