THE CANADIAN ENTOMOLOGIST. 3^ 



HYMENOPTERA. 



All the Hymenoptera have been submitted to Mr. W. H. Ashmead. 

 The types of the new species are in his collection, and will be described 

 by him. 



(i) Near Brush Creek, June 27, 1889 — 



Bovibiis I'ufocinciiis Cr, 



Prosapis basalis Smith, ^ . 



Oryssus Occident alts Cr. 



Rhodites spinoselliis CklL, n. sp. 



Limneria tibiator Cr. * 



Odynerus leucomelas Sauss. 



Macrophya albipictiis Ashni., ^ , $ . 



Camponotus sp. 



Orthocentrtis leiicopsis Ashni. 



Eurytoina diastrophi Welsh, %. 

 Of R. spinoselhis only the round pickly leaf-galls were found. 



(To be continued.) 



CORRESPONDENCE. 



CHRYSALIDS DEVOURED BY CATERPILLARS. 



Dear Sir : A few days ago I found a number oi Pyrat?teis cardui larvae, 

 and also several (4) of the common, reddish brown, hairy caterpillars 

 ( Spilosovia Isabella), so often seen about gardens in the fall feeding on 

 plants of the common garden hollyhock (Althese rosea). Not having 

 extra boxes to spare, I placed both species in a roomy pasteboard box, 

 with a plentiful supply of hollyhock leaves. In the course of a day or 

 two several of the cardui larva? hung themselves to the corner of the 

 box, and in a short time three were transformed to chrysalids. What 

 was my surprise on looking into the box this morning to see if any more 

 had hung or transformed, to find the reddish brown caterpillars had 

 devoured two of the cardui chrysalids, and one of the caterpillars was 

 actually engaged eating the third, and had consumed fully one-half of it. 

 This was not done from lack of food, as there was an abundance in the 

 box. Here, then, is a new source of destruction to our butterflies — a 

 sort of cannibalism among caterpillars. 



Shelly W. Denton, Wellesley, Mass. 



