106 PROCEEDINGS OF THE NATIONAL MUSEUM. 



EXPLANATION OF PLATE 2. 



Fig. 1. Gall of Saperda lesquereuxi, new species, 



2. Ophryastites liendersoni, new species. 



3. Calandritcs hindsi, new species. 



4. Bypoderma ascarides (Scudder). Larva and pupa, a, Caudal end 



of larva, with spiracles and tracheal tubes ; &, three segments of 

 middle of larva, showing spinuliferous areas ; c, lateral projecting 

 spinuliferous area of a larva beginning to contract; d, spinulifer- 

 ous areas of another larva ; e, mandibles of larva ; /, lateral 

 spinuliferous projections of semipupa ; g, contracted and hardened 

 pupa. 



5. Psilocephala scudderi Cockerell. 



6, 7. Hypoderma ascarides (Scudder). A single example and a slab with 

 numerous specimens (natural size). 



