]o8 THE CANADIAN ENTOMOLOGIST. 



Body with rough points or spines 15 



Body with forked processes 16 



4. Large, blackish (Prunus, etc.) Eriocampa cerasi. 



Smaller, not blackish 6 



6. Sides of thorax orange tinted 7 



Sides of thorax not orange tinted 8 



7. Head black Eriocampa fasciata. 



Head pale Monostegia quercus cocci nece. 



8. Head pale 9 



Head black Caliroa obsoleta. 



9. On Quercus, usually gregarious Monostegia quercus-albce. 



On Prunus, scattered '. , . . . j^* 



I o. Head more or less black 11 



Head pale 14 



1 1. Body high, larvae robust 12 



Body slender, as usual 13 



12. White and yellow ; on Fraxinus Monophadiius barda. 



Gray and yellow, spotted with black ; on Polygonatum (Solomon's 



seal) 4D. 



13. With slight angles or rudimentary points on joint 2 ; a faint blackish 



band ; on Betula Taxonus multicolor. 



Smooth, waxy white ; on Epilobium 6M. 



14. Yellowish, immaculate ; on Rosa Monostegia rosce. 



With a pruniose coating ; on Alnus Poecilosoma infer entia. 



15. Head pointed; on Betula, etc., etc Strongylogaster pingiiis. 



Head round ; on Spiraea Blennocampa spircece. 



Head black 3 on Vitis Blennocampa pygmcea. 



16. Head green ; on Rubus Monophadnns rubi. 



Head black spotted ; on Quercus 17 



1 7. Green Periclista emarginata^ 



Dorsum purplish Mo)iophadnus diluta. 



18. Without spots ; head black ; on Abies Lophyrns abietis. 



Similar (?) to the preceding ; on Pinus Lophyrjis pini-rigidce^* 



With angular black spots 19 



19. Head black, no subventral spots ; on Pinus strobus. Lophyrus Abbotii. 



*My notes are indicated by a combination of numbers and letters. 

 tDescribed as Bloinocanipa Inpartita, 

 **Insufficiently described. 



