EHTSSA. 



93 



quarter as long again as the body. Z^r/s elongate and somewhat 

 slender, fulvous ; coxae sometimes badious, or rarely in c? black, 

 front ones of $ very rarely nearly totally black, the anterior pairs 



Fig. 20. — Rhyasa persuasoria L. 



of both sexes generally wliitish beneath ; hind tarsi and tibiae 

 infuscate or rarely dull ferruginous, Wiiv/s narrow and flaveseent, 

 with the stigma blackisli : radix and tegulae white ; areolefc iri-e- 

 gularly triangular, sessile or subpetiolate ; first recurrent of lower 

 wings strongly postfurcal and intercepted far above its centre. 



LeiKjtli 22-34: millim. 



A common Palaearctic species occurring throughout the north 

 temperate zone ; 1 have seen it from the United States, Canada, 

 from Yesso, in the north of Japan, and from spruce woods at 

 Deota, Tehri-Gashial, in the North-west Himalavas at an altitude 

 of 7000 feet, in Jane 1902 {E. F. Stehhinrj). 



50. Rhyssa fulvipennis, Cam. 



Rhyssa fulvipen)iis, Cameron,* Maucli. 3Iem, 1890, p. 127 (5). 



A large black and flavous species, with the antennae and legs 

 fulvous, and the wings somewhat clouded. Head fulvous, with 

 the face Havesceut ; frous, apex of vertex, occiput above, a central 

 line between them, mandibles and apex of face, black; face 

 glabrous, with sparse and infuscate pilosity, epistoma feebly 

 punctate ; frous and vertex subglabrous, with isolated punctures. 

 Antenna', pale tulvons and centrally subtiavescent ; scape nitidulous 

 and subglabrous. Thorax bhu-k, with the propleurae smooth, 

 shining and broadly fulvtnis above ; mesonotum sparsely pilose, 

 with two anteriorly coalesced vittae on its central lobe, a central 

 line, and shorter ones above the radices, fulvous ; mesopleura) 

 finely punctate and apicaily crenulate, wifcli the callosities and a 

 large basal mark pale fulvous ; metathorax glabrous and nitidulous, 

 with the areola large, deeply impressed, transverse and laterally 



