246 BLENNOCAMPA NIGRIPES. 



partly bifid. There are six on the second segment, and 

 twelve on segments three and four. On the abdominal 

 segments there are six in each row of the black spines. 

 At the last moult the spines are all thrown off and the 

 larva becomes entirely green. The larva appears in 

 May and June, and pupates in the earth, where a 

 cocoon is spun. 



Mesochorus politus, Gr., Mesoleius formosus, Holm., 

 M. armillatorius, Gr., Perilissus macropygus, Hal., 

 Plectiscus tenthredinarum, Gir., Trematopygus aprili- 

 nus, Gir., T. selandrivorus, Gir., TrypJion eppiphium, 

 Holm., and T. lateralis, Gir., have been recorded as 

 parasites, principally by the lamented French entomo- 

 logist, Giraud. 



Commonly distributed in England and Scotland, but 

 seemingly not common. 



Continental distribution : Sweden, Germany, 

 land, France, Switzerland. 



Abdomen luteous ; antennae, head, thorax and legs black. An- 

 tennae short, third joint distinctly longer than fourth. "Wings 

 subhyaline; ti*. radial received close to the middle of third 

 cubital cellule ; tr. median in middle of cellule ; third cubital 

 cellule shorter and wider than second ; accessory nervure in 

 hind wings appendiculated. Clypeus deeply incised (Species 

 12). 



12. BLENNOCAMPA NIGEIPES. 



Tenthredo marines, Klug, Berl. Mag., viii, 26 ; Htg., Blattw., 



272,21, ?. 



luridiventris, Klug., 1. c., 27 ; Htg., 1. c., 20, g. 



Slennocampa nigripes, Thorns., Opus., 279, 2 ; Hym. Sc., i, 207, 



3 ; Andre, Species, i, 315 ; Cat., 



40,* 44. 



Black, shining ; all the knees, the anterior tibiae in front and abdo- 

 men (except at base and apex) dull luteous. Wings tinged with fuscous, 

 costa and stigma dull black, the latter fuscous on the lower side. An- 

 tennae as long as the abdomen and metathorax. Saw largely pro- 

 jecting, black. $ and <. 



Length 2 lines. 



This does not appear to be a commonly distributed 



