PLATE XIX. Hemipterous Jiccs. 



1. Eggs of Acholla multispinosa DeGeer, on apple, x 2. 



2. Egg scars of Tibicina septendecim Linnaeus, x i. 



3. Eggs of the squash bug, Anasa tristis DeGeer, on squash leaf, 



X I. 



4. Belostoma lutarium Stal, — eggs on back of male, x i. 



5. Ceresa bubalus Fabricius, — egg scars in apple twigs, x i. 



6. Eggs of Lethocerus sp., x i. 



7. Eggs of Podisus sp., x i. 



8. Eggs of oyster-shell scale, Lepidosaphes ulnii Linnaeus, 



under shell of female, x 6. 



9. Eggs of green apple aphis. Aphis pomi DeGeer, on apple 



twig, X 2. 



10. Eggs of Dilachnus strobi Fitch, on white pine, x i. 

 Photographs by B. H. Walden. 



