180 Eev. T. A. Marsball's monogra'ph of 



Common. Gregarious. Bred by Bignell from Vanessa 

 urticcB, L., Melitcea aurinia, Eott., Leucania littoralis, 

 Cur., and Agrotis prcscox, L. By W. H. B. Fletcher 

 from Zonosoma orhicularia, Hiib. ; by Kaynor from 

 Hypsipetes trifasciata, Bork. ; by Porritt from Agrotis 

 prcscox, L. Beared plentifully on the Continent by 

 Nordlinger at Grand Jouan, in Brittany, from Dicra- 

 nura vimda, L., the larvae of which perished just 

 before their last moult in autumn, and the parasites 

 appeared early in the following May. By Brischke from 

 Melitcea Maturna, L., Argynnis Latona, L., Polyommatus 

 Dorylas, Hufn., Zygcena e/phialtcs, L., Bomhyx castrcnsis, 

 L., Dicranura bifida, Hiib., Lopliopteryx camelina, L., 

 Eupithccia sohrinata, Hiib., Thera juniperata, L., and 

 Pionea forficalis, L. By Giraud from Vanessa urticce, L., 

 and Zygcena filipendulce, L. ; and by Franz Low, in 

 Sej)teml3er, from Hadena oleracea, L. 



Cocoons white, with hardly a sulphur-tinge, enveloped 

 in a cottony ball, like those of congestus, but white, and 

 less regularly formed. 



17. Apanteles Geryonis, n. s. 



Niger, palpis pallidis. Segmentiim Imurn lateribus anguste, 

 venter basi, pedesque, rufo-testacea ; femora posteriora supra 

 nigro lineata vel tota fusca, tarsis apice fuscis ; coxae nigrae. Alse 

 hyaliuse, squamulis fuscis, stigmate subferrugiueo vel pallide fusco. 

 Mesothorax confertim subtiliter punctulahis, oijacus ; pleurae 

 similes, spatio si;b alls nitido. Metathorax punctatus, opacus. 

 Segmeuturu Imum longius quam latius, basi subangiistatum, apice 

 trmicatum, cum 2do rugulosum, opacum ; hoc Imo latius, 3tio 

 brevius, medio carinatum, linea impressa obsoleta utrinque margi- 

 natum ; caetera nitida, laevia. Terebi-a brevissima. Tibiarum 

 posticarum calcar internum metatarsi dimidio paulo brevius. 

 Coxs posticae nitidae. 



Black, with pale palpi ; segment 1 at the sides narrowly, belly 

 at the base, and legs, rufo-testaceous ; posterior femora with a 

 black line above, or wholly fuscous, their tarsi fuscous at the tips ; 

 coxae black. Wings hyaline, squamnla; fuscous, stigma sub- 

 ferrugineo-fuscous. Mesothorax thickly and finely punctulate, 

 dull ; pleiu"£e the same, with a shining space beneath the wings. 

 Metathorax punctate, dull. Segment 1 longer than broad, slightly 

 narrowed at the base, truncate at the apex, and like the 2d, 

 rugulose, dull; segment 2 wider than 1, shorter than 3, carinated 

 in the middle, margined on each by an obsolete impressed line ; 



