PEKTLISSUS. 



315 



their second tarsal joint. "Wings somewhat ample ; stigma of 

 normal size ; areolet sometimes entire, at others wanting. 



Range. Palaearctic and Nearctie Eegions. 



At least one of the Indian species belongs to Spanotecnus, one 

 of the subgenera into which Forster (Yerh. pr. Itheinl. 1868, 

 p. 197) split up this genus ; though it does not altogether coincide 

 with Thomson's definition of it (Opusc. Ent. ix, p. 911), where he 

 says that the basal metauotal area is elongate, the mesoplenree 

 closely punctate, with smooth speculum, the abdomen at least 

 centrally pale, notauli \\anting, the frenal scrobes strongly dis- 

 crete, epomiae distinct though short, and the eyes small. 



The members of Perillssus are known to prey upon sawflies. 



Table of Species. 



1 (2) Metathoracic areola entire ; scutellum black .... filicornis, Grav. 

 2 (1) Metathoracic areola wanting ; scutellum flavous tricolor, sp. n. 



225. Perilissus filicornis, Grav. 



IchneumonJUicornis, Gravenhorst, Mem, Ac. Sc. Torino, 1820, p. 368. 

 Mesolepttis filicornis, Gravenhorst, Ichn. Eur. ii, p. 94, excl. A'ars. - r 



Stephens, Illus. Mand. vii, 1835, p. 227 (rf $ ). 

 Perilissus jilicorms, Holmgren, Sv. Ak. Handl. 1855, p. 121 ; 



Brischke, Schr. Nat. Ges. Danz. 1879, p. 71 ; Vollenhoven, Pinac. 



vii, pi. xxxiii, fig. 1 ( rf $ ). 

 Spanotecnus JHicornis,Thoms(m, Opusc. Ent. ix, 1883, p. 911 (J $ ). 



[A somewhat shining testaceous species, with the head -and 

 thorax black. Head closely and finely punctulate, posteriorly not 

 at all constricted, almost broader than the eyes ; frons deplanate 

 and dull, usually with a shining line above the scrobes ; face a little 

 convex, very closely punctnlate, black or more usually testaceous ; 



clypeus not discrete, testaceous, 

 sparsely punctate and apically 

 rounded, with a fovea on either 

 side ; palpi and cheeks testa- 

 ceous, the former with the 

 three apical joints subequal in 

 length ; eyes somewhat small, 

 oblong-ovate. Antennce as long- 

 as the body, very slender and 

 testaceous throughout. Meso- 

 notum dull, with more or less 

 distinct notauli ; metathora,\ 

 more shining, distinctly 

 smoother and areated, with the 

 basal lateral area3 subquadrate, 

 basal area triangular, areola 

 elongate, and the remainder 

 smoother ; spiracles linear, 

 Abdomen testaceous, with the 



\ 



Fig. 85. Pcrilissns filicornis, Grav. 



Scutellum a little convex, black. 



basal segment and sometimes the anus slightly infuscate, former 



