Antrocephalus phaeospilus Waterston, 1922

Binoy, C., Nivetha, S. & Arulprakash, R., 2024, Chalcidid parasitoids (Hymenoptera: Chalcididae) of Opisina arenosella (Walker) (Lepidoptera: Xyloryctidae) on coconut palm in southern India, Zootaxa 5537 (4), pp. 493-510 : 499

Antrocephalus phaeospilus Waterston, 1922

( Figs 23–26 )

Material examined (all collected by C. Binoy). Karnataka: 6♂ Coorg dt., near Chiklihole dam site, 12.xii.2019 ; 1♂ Madapura river site , 04.iv.2019 ; 1♀ Shimoga dt., Hossagadai, 19.xii.2019 . Kerala: 3♂ Kasargod dt., on short palm near vegetable field, Periya, 29.ix.2018 . Tamil Nadu: 1♂ Coimbatore dt., Kurangumudi, Valparai, 01.iii.2019 .

Diagnosis. Body black with tegula, legs (except procoxa) yellowish to reddish-brown; scrobe reaching median ocellus; fore wing hyaline with brown infuscate spot below mv; mesosoma with dense umbilicate pits, with interstices rugose-punctate ( Fig. 24 ); scutellum apically bilobed; metafemur unusually thick, ventrally with long comb of teeth ( Fig. 25 ); metasoma laterally setose ( Fig.26 ); Gt 1 with two short carina and a basal fovea, dorsum shiny ( Fig. 26 ). Female metasoma acuminate apically, longer than mesosoma; male metasoma distinctly shorter than mesosoma ( Fig. 23 ).

Note. This represents the first host record from Opisina for A. phaeospilus .

Figures

FIGURES 23–26. Antrocephalus phaeospilus Waterston, 1922 male. 23, habitus, lateral view; 24, head and mesosoma, dorsal view; 25, hind leg; 26, metasoma, dorsal view (arrow points to basal carina on Gt1).