236 Rev. T. A. Marshall's monograph of 



Common in autumn ; taken frequently by Bignell, 

 Bridgman, myself, and others. Twice l)red singly by 

 Bignell from half-grown larv^B of Tceniocampa mimosa. 

 Fab. But four from one larva have been reared by 

 Parfitt out of EupitJwcia succenfiiriatti, L. ; their cocoons 

 are clustered together. According to Brischke, bred 

 from Phlogopliora meticulosa, L., EupWiecia succenturiata, 

 L., E. castigata, Hiib., and E. exiguata, Hiib. ; in each 

 case singly, and therefore probably the larvpe were all 

 small. Bred by Giraud from Apamea hasilinca, Fab., 

 Tripluena fimbria, L. ; and by Bellier de la Chavignerie 

 from Agriopis ajmlina, L. The Ruthian collection con- 

 tains a specimen with the base of the abdomen orange, 

 bred from Cerastis racciiiii,'L., at Grabow, in Mecklenburg. 

 The cocoons are typical of the genus, and widely different 

 from those of mediana, Ruthe. They are ash-coloured, 

 naked, and deeply fluted or ribbed from end to end, like 

 carraway seeds. 



11. Microplitis adiinca, Ruthe. 



Microqaster aduncus, Ruthe, Berl. ent. Zeit., 1860, 

 p. 129, $ . 



Deep black ; apex of the maxillary palpi testaceous, the rest 

 fuscous ; anterior femora at the tips, their tibife, and basal half of 

 the hind tibiae, testaceo-rufous. Wings narrow, infumated ; stigma, 

 squamulae, and nervures fuscous. Antennte 5 filiform, not much 

 longer than half the body. Head, mesothorax, and scutcllum 

 thickly punctulate, the last, together with the hind edge of the 

 mesothorax, somewhat shining. Metathorax coarsely punctato- 

 rugulose, carinated. Abdomen smooth and shining, segment 1 only 

 showing some minute exarations or scratches ; this segment is 

 twice as long as its breadth, scarcely narrowed posteriorly, and 

 rounded at the apex ; the apical tubercle very shining. Terebra 

 subexserted, and, with the subtruncated valvula ventralis, not 

 surpassing the anus. 2 . Length, 11 ; wings, 3 lin. 



The antenniB are very like those of tristis, Nees, scarcely longer 

 than the head and thorax ; the joints diminish in length towards 

 the apex, so that the few last are as broad as long, but their thick- 

 ness remains the same ; the scape is ruuch thicker than the 1st 

 joint of the flagclliuu. Segment 1 wholly black, including the 

 membranaceous sides. Bellj' convex, compress.ed only at the base, 

 where it shows the usual pellucid piceous spot. Stigma uni- 

 colorous. The minute 'id cubital areolet is almost semicircular, 

 surromided by a thickened nervure. Legs short, stout ; hind tibiai 

 as thick as their femora, and hardly longer than theii' tarsi. 



