Pyracmon Holmgren, 1859

Watanabe, Kyohei, 2019, Revision of the Genus Pyracmon (Insecta: Hymenoptera: Ichneumonidae) from Japan, with Description of a New Species, Species Diversity 24, pp. 281-285 : 281-282

Genus Pyracmon Holmgren, 1859

Pyracmon Holmgren, 1859: 326 . Type: Porizon fumipennis Zetterstedt, 1838 . Original designation.

Diagnosis. This genus is the one of easily recognizable group of Campopleginae . According to Townes (1970) and Barron and Walley (1983), this genus can be distinguished from other genera of Campopleginae by the following combination of character states: apical margin of clypeus with ( Fig 15 ) or without ( Figs 21, 25 ) a weak median convexity; lower tooth of mandible not longer than upper tooth ( Figs 14, 20 ); posterior transverse carina of mesosternum complete; propodeal spiracle circular to elliptic ( Figs 16, 22, 26 ); areolet receiving second recurrent vein at ( Fig. 4 ) or little distad of the middle; nervulus opposite basal vein ( Fig. 4 ), or distad of it by less than 0.3 its length; nervellus distinctly intercepted ( Figs 5, 7 ); discoidella often pigmented ( Fig. 7 ); glymma present, large and rather deep ( Figs 17, 23, 27 ); thyridium separated from basal margin of T2 by more than its own length ( Figs 17, 23, 27 ); ovipositor sheath usually about as long as hind tibia; ovipositor rather stout and distinctly compressed.

All Japanese species have the following combination of character states: fore wing with an acute angle of posterodistal corner of second discoidal cell; ovipositor distinctly upcurved.

Distribution. Holarctic region.

Bionomics. Three families, Tortricidae (Lepidoptera) , Artematopodidae and Elateridae (Coleoptera) ( Graham 1965; Barron and Walley 1983), have been recorded as the host while no record is known in Japan.

Remarks. Japanese species of Pyracmon can be distinguished by the following key.

Figures

Figs 12–27. Japanese species of Pyracmon, P. monticola sp. nov. (12–18, holotype, KPM-NK 74578), P. nigrifemur Barron and Walley, 1983 (19–23, KPM-NK 74575) and P. sepiellus (Holmgren, 1860) (24–27, NIAES), females from Japan—12, 13, 19, 24, head, frontal (12, 19, 24) and dorsal (13) view; 14, 20, right (14) and left (20) mandible, frontal view; 15, 21, 25, apical margin of clypeus, frontal view; 16, 22, 26, propodeum, dorsal view, rugae on right half omitted; 17, 23, 27, T I and basal part of T II, lateral view; 18, apex of ovipositor, lateral view.

Figs 1–11. Japanese species of Pyracmon, P. monticola sp. nov. (1–5, holotype, KPM-NK 74578), P. nigrifemur Barron and Walley, 1983 (6–8, KPM-NK 74575) and P. sepiellus (Holmgren, 1860) (9–11, NIAES), females from Japan—1, 6, 9, lateral habitus; 2, 7, 10, mesosoma, lateral view; 3, 8, 11, propodeum, dorsal view; 4, right fore wing; 5, right hind wing.