Insects affecting hard pine 

 Pitch twig moth, Evetria comstockiana Fern. 



1 Pitch mass with pupal shell protruding therefrom in one case ; the 



other shows old and recent pitch. 

 2 1 Adult, enlarged 



Pitch midge, Cecidomyia resinicola O. S. 



2 Pitch mass showing protruding pupal cases 



Nantucket pine moth, Evetria frustrana Scudd. 



3 Infested shoot showing the abortive growth 



Pine needle gall fly, Cecidomyia pini-rigidae Pack. 



4 Needles deformed by this insect 



4^ Work on needles of the previous year 



Pine leaf miner, P a r a 1 e c h i a p i n i f o 1 i e 1 1 a Chamb. 



5 Affected needles, note the brown tips 

 23 Adult, enlarged 



Fir sawfly, Lophyrus abietis Harr. 



6 Larvae in natural position on the needles ; below are stubs of eaten 



foliage 

 ta Cocoon of same at base of pine needles 



Pine chrysomela, Glyptoscelis pubescens Fabr. 



7 Adult, much enlarged 



Pales weevil, H y 1 o b i u s pales Herbst. 



8 Adult, much enlarged 



Chrysobothris pusilla Lap. & Gory 



9 Adult, much enlarged 



Chrysobothris floricola Gory 

 10 Adult, enlarged 



a 376 



