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



shining. Segment 1 half as long again as broad, with parallel sides, 

 truncate at the apex, rimulose, with a smooth medial channel ; 

 2 scarcely half as long as 3, and, with the rest, smooth and shining. 

 Terebra a little shorter thau the abdomen, somewhat deciu'ved, the 

 valves subclavate. Valvula ventralis acuminated, testaceous, sur- 

 j^assing the anus. ^ ?. Length,! — 1^; wings, 3 — 4Hin. 



Var. (? . Femora testaceous, edged above and below with black ; 

 perhaps immatiu'e. Bred by Elisha from Eupithecia exiguata, Hiib. 



Common ; taken repeatedly by Bignell in Devonshire, 

 by Fitch in Essex, and by me in Northamptonshire, 

 Leicestershire, and Wiltshire. Bignell bred the male 

 from Diurnea farjella, Fab. ; Parfitt, two males from 

 Swanwierdammia ccesiella, Hiib. ; Fitch, three males from 

 Gracilaria semifascia, Haw., and two females from an 

 unknown larva ; Raynor, one male from Hi/psipetes 

 trifdsciatiis, Bork., and another fvoui EiqntJiccid cxhiunta, 

 Hub. According to Ratzeburg, many were reared by 

 Bouche from Tortrix rosana, L., and Reissig obtained a 

 female from some species of Psyche. Brischke bred it from 

 Swammerdammia lutarea, Haw. A solitary parasite. 

 Cocoons white. 



36. Apa7iteles contaminatiis, Hal. 



Microgaster contaminatus, Hal., Ent. Mag,, ii., 245, ? . 



Black ; palpi and legs testaceous ; coxae and trochanters black ; 

 fore femora at the base, middle except the apex, and hind pau' 

 entkely, black ; huad tibiae at the apex, and their tarsi excejit the 

 base of the 1st joint, fuscous. Wings hyaline, squamulae, stigma, 

 and nervures, flavo -testaceous ; costa, from the inner angle of the 

 stigma to the tip of the wing, as also the base of the radius, fuscous. 

 Head and mesothorax minutely pmictulate, shining ; scutellum 

 smooth, the frenum on either side very shining ; mesoplem-ae thickly 

 punctulate ; metathorax rugulose. Abdomen obtuse, shorter than 

 the thorax ; segment 1 broad, subquadi-ate, with parallel sides, 

 truncate, emarginate in the middle of the hinder edge, rugulose ; 

 2 rugulose, very transverse, shorter than 3, sutm'iform articixlation 

 siuuated ; the other segments smooth and shining. Terebra curved, 

 extending about h the length of the abdomen ; valves subclavate. 

 Valvula ventralis acute, not reaching the anus. Si)urs of hind tibia; 

 longer than ^ the metatarsus. J . Length, 1| ; wings, 3 lin. 



The rugosity of the metathorax and segments 1 — 2 of 

 the broadly sessile, obtuse abdomen, gives this S2:)ecies 

 the aspect of a Microgaster, Haliday's descriptioij 



