Hedycryptus Cameron, 1903

Kyohei Watanabe, 2019, Taxonomic and Zoogeographical Notes of Japanese Cryptinae (Hymenoptera, Ichneumonidae), with Description of Five New Species, Bulletin of the Kanagawa Prefectural Museum (Natural Science) 48, pp. 81-113 : 95

Genus Hedycryptus Cameron, 1903

Hedycryptus Cameron, 1903a: 298 . Type species: Hedycryptus filicornis Cameron, 1903 (= Cryptus orientalis Cameron, 1897 ). Monobasic.

Apachia Townes, 1970: 195 . Type species: Cryptus tenuiabdominalis Uchida, 1930 . Original designation.

In Japan, a single species, H. tenuiabdominalis (Uchida, 1930) has been recorded. This genus apparently resembles Cryptus and can be separable by the following combination of character states: petiole of T1 with terete, without longitudinal carina ( Figs. 2L, M ) (with ventrolateral (and in female also dorsolateral) longitudinal carina(e) in Cryptus : Figs. 2I–K ); second recurrent vein usually simply arched ( Fig. 1J ) (usually weakly sinuate in Cryptus ); front side of areolet quite narrow (moderately wide to narrow in Cryptus ); T2 covered with rather sparse to rather dense ( Fig. 8F ) setae in female (covered with rather to very sparse setae in female of Cryptus ) ( Townes, 1970). I examined the holotype and additional specimens of Cryptus ohshimensis Uchida, 1930 , and recognized that the character states of this species are completely accorded with the generic character states of Hedycryptus . Thus, I concluded that this species should be transferred from Cryptus to Hedycryptus . In this study, I transferred generic position of this species with redescription below.

Figures

Fig. 2. Eurycryptus sakaguchii (Uchida, 1932) (A, D, NIAES), Pterocryptus takachihoensis (Momoi, 1966) (B, G, KPM-NK 5000304), Xoridesopus amamiensis sp. nov. (C, KPM-NK 69529; H, KPM-NK 69531), Hedycryptus ohshimensis (Uchida, 1930) (E, L, M, NIAES), Ischnus splendens sp. nov. (F, KPM-NK 69415), Cryptus dianae (Gravenhorst, 1829) (I–K, KPM- NK 69930) and Dihelus hylaevorus (Momoi, 1966) (N, paratype, MNHAH), female ― A–C, propodeum, lateral view; D, propodeum,T1, T2 and T3, dorsal view, punctures on right side and T3 omitted; E–H, T1, dorsal view; I, K, L, T1, lateral (I, L) and ventrolateral (K) view; J, M, cross-section of anterior part of T1, arrows indicate the carinae; N, apex of metasoma, lateral view. ATC, anterior transverse carina; PTC, posterior transverse carina; PC, pleural carina; TT, triangular tooth; DLC, dorsolateral carina; VLC, ventrolateral carina.

Fig. 1. Giraudia japonica sp. nov. (A, KPM-NK 69946; G, KPM-NK 69947), Apsilops scotinus (Tosquinet, 1903) (B, H, KPM-NK 69931), Hedycryptus ohshimensis (Uchida, 1930) (C, J, NIAES), Dihelus hylaevorus (Momoi, 1966) (D, MNHAH), Ischnus splendens sp. nov. (D, E, K, KPM-NK 69406), Nematopodius (Nematopodius) montanus sp. nov. (F, KPM-NK 69583) and Xoridesopus amamiensis sp. nov. (L, KPM-NK 69529), female ― A–F, head, frontal (A, D), lateral (B, C, E) and posterolateral (F) view; G, H, I–L, areolet of right wing; J, areolet and second recurrent vein of right wing.

Fig. 8. Hedycryptus ohshimensis (Uchida, 1930), NIAES, female (A–F) and male (G, H) ― A, G, habitus, lateral view; B, head, frontal view; C, frons, frontal view; D, head and mesosoma, lateral view; E, propodeum, dorsolateral view; H, lateral aspect of flagellum.