12 THE CANADIAN ENTOMOLOGIST. 



It is closely allied, judging from the description and figure in Trans. 

 Amer. Ent. Soc, vol. i., p. n, pi. i , fig. 2, to the Mexican species Adelo- 

 cephala quadrilineata Gr.-Rob., in the shape of its wings and thorax, the 

 sharply defined, straight and very oblique transverse band, the absence 

 of a median band on the secondaries, and the leaden coloration of the 

 tibiae and tarsi. The more prominent points of difference are, a more 

 distinct sub-basilar band and the transverse band farther removed from 

 the apex on the primaries, and the more extended reddish area of the 

 secondaries in A. quadrilineata. 



A. bisecta, in all probability, occurs also in Texas. I am informed by 

 Mr. O. von Meske that he has carefully examined an example which had 

 been received from Mr. Boll, of Texas, which he has no hesitation in 

 regarding as the $ of the above described °. . From a very recent 

 inspection of the specimen, he is able to recall its more acute primaries, a 

 deeper yellow color, the transverse line of the same course but stronger, 

 the brown bordering of the inner margin, and a deeper red of the 

 secondaries. 



ON CERTAIN HYMENOPTERA. 



BY W. H. PATTON, WATERBURY, CONN. 



PREDACEOUS SAWFI.IES. 



On two occasions I have observed Allantus basilaris (Say) Nort. $ 

 devouring another insect ; in one instance the larva of a Chrysopa, in the 

 other a small flower beetle of the genus Phalacrus. Although no such 

 habit has been recorded previously in regard to any American species, it 

 does not appear to be entirely without precedent among the European 

 members of this family, for, according to Westwood, (Introd., ii., 109) 

 " Various species, however, (T. viridis, scalaris, etc.) attack and devour 

 living insects which frequent the same plants, as observed by St. Fargeau 

 (Ann. Soc. Ent. France, 1834, p. 11) and Dahlbom (Prod. Hym. Scand., 

 p. 38)." The choice of its prey made by the Allantus in the instances 



