NO. 1942. NEW SPECIES OF ICHNEUMON-FLIES— VIERECE. 591 



black and nearly twice as long as wide at apex, and by the remaining 

 segments having a black stripe down the middle. 



Labeled, "9. 3. '09, 9. 1. '09; C. N. Ainslie, collector; Webster No. 

 5535; host HeliopTiila alhilinea." 



Allotopotype. — Essentially as in the type; the sixth and seventh 

 segments apparently entirely black. 



Labeled the same as the type. 



Two males from the same lot as the above specimens agree with 

 the allotopotype except in the presence of a more or less distinct 

 fossa on each side of the petiole, indicating that they belong to 

 Angitia Holmgren. The existence of these males throws a doubt on 

 the validity of Hypothereutes (Foerster) Ashmead as a genus or 

 subgenus. 



ICHNEUMON KLAGESI, new name. 



Proposed for /. Jlavofascialis Viereck/ which is preoccupied by 

 /. (Proholus) jlavofascialis Viereck.^ 

 Named for Mr. H. G. Klages, who collected the species. 



PIMPLA (ISEROPUS) VIDUIFORMIS, new species. 



Type-locality. — New Haven, Connecticut. 



Type.— Cat. No. 15035, U.S.N.M. 



Male. — Length 8.5 mm.; this may prove to be the male of Pimpla 

 vidua Walsh, the female of which alone is known. Fro-m Walsh's 

 description of the above species this differs in the antennae, being 

 yellow to brownish beneath, blackish above, in the punctured pro- 

 podeum, which has its angles tipped with yellow, in the absence of 

 a reddish spot above the mid coxae, in the venter being yellowish 

 and blackish, in the mid coxae and trochanters being almost entirely 

 yellowish, in the mid tibiae being without a trace of an annulus, in 

 the hind legs having the coxae and femora reddish throughout and 

 their trochanters yellow, in the hind tibiae having the apical third 

 blackish, and in the parts mentioned as white in Walsh's description 

 being yellow. 



Labeled, ''No. 322, Apr. 20, 1910; A. B. Champlain." 



The smallest paratopotype is scarcely 7 mm. long and has a sub- 

 apical reddish transverse, medially more or less interrupted reddish 

 stripe on the second to sixth dorsal abdominal segments, inclusive. 



MALLOCHIA, new genus. 



Type of the genus. — Mallocliia agenioides, new species. 



Related to Crypturopsis Ashmead, from which it differs especially 

 in the propodeum being distinctly longer down the middle than wide 

 at apex, without spines or tubercles and with a poorly developed 

 basal transverse carina, other carinae wanting, in the poorly devel- 



1 Trans. Amer. Ent. Soc, vol. 32, 1906, p 245. 2 Trans. Kansas Acad. Sci., vol 19, 1905, p. 291. 



