Homocidus | BRITISH ICHNEUMONS. 97 

10. tarsatorius, Panz. 
Bassus tarsatorius, Panz. F. G. ix. 102, pl. xix; Gr.I. E. iii. 932, 2; cf. Tosq. 
Ann. Soc. Belg. 1890, p.122. B. exsultans, Gr. I. E. iii. 328, excl. var. 3; Ratz. 
Ichn. d. Forst. i. 122, ¢; Holmgr. Sv. Ak. Handl. 1855, p. 359; Brisch. Schr. Nat. 
Ges. Danz. 1878, p. 112, ¢ ¢. B. insignis, Gr. I. E. iii. 349; Ratz. Ichn. d. 
Forst. iii. 116; Holmgr. Sv. Ak. Handl. 1855, p. 360; Brisch. Schr. Nat. Ges. 
Danz. 1878, p.112, ¢. B. pulchellus, Desv. Trans. Ent. Soc. 1862, p. 221, ¢ 
(nec Holmer.) ; B. Desvignesii, Marsh. Cat. 83. Homoporus tarsatorius, Thoms. 
O. E. xiv. 1503; Morl. Trans. Ent. Soc. 1905, p.427,¢ ?. Var. Bassus flavus, 
Desv. lib. cit. 1862, p. 219, ¢. 
A black species with humeral marks, whole scutellum, epistoma, mouth 
and the apically excised clypeus, stramineous ; legs red, with only the 
hind tarsi and apices of their tibiae black; intermediate segments 
apically more or less broadly glaucous-white. Length, 44—7 mm. 
From all species with neither areolet nor metanotal areae, this is 
instantly known by its clear red hind tibiae which are not at all white and 
have only the apex black, and by its entirely pale scutellum. From the 
foregoing it differs in its very broadly white-marked scutellum, concolor- 
ous and obviously emarginate clypeus, less constricted and evenly emar- 
ginate vertex, hardly sulcate frons, laterally parallel-sided face, shorter 
cheeks and stouter mandibles; broader stigma, apically straight radius and 
centrally intercepted nervellus; somewhat elongate and not carinate 
petiole, quadrate postpetiole, hind tibiae red with black apices. The ¢ 
is similar to the @ in colouration, but its coxae and trochanters are 
testaceous, the hamate mesonotal marks larger, its face, frontal orbits and 
cheeks are stramineous, antennae pale beneath, mesosternum and _ pro- 
notum, etc., pale testaceous, 
H 
