

REPORT OF THE STATE ENTOMOLOGIST I917 151 



I lobes stout, broadly rounded, almost truncate, the ventral plate 

 short, triangularly emarginate, the lobes narrowly rounded. The 

 ovipositor is greatly produced. 



Type Clinodiplosis oculiperda Rubs. 



Thomasia californica Felt 



1914 Felt, E. P. N. Y. Ent. Soc. Jour., 22 : 132 



The female, tentatively referred to this genus, was reared August 

 27, 19 13 from galls on Symphoricarpos collected by Prof. E. Bethel 

 at Lake Tahoe, California. The gall consists of irregularly thickened, 

 partly unfolded opposite leaflets, the swelling being confined mostly 

 to the basal half of the midrib. A detailed description of the female 

 is given in the above citation. 



dicrodiplosis Kieff. 



1895 Kieffer, J. J. Soc. Ent. Fr. Bui., 64: 194 



1896 — Wein. Ent. Z.eit., 15:92 



1897 Synopse d. Cecidomyies d'Europe et d'Algerie, p. 28 



1904 Soc. Scien. Brux. Ann., v. 28, pt 2; separate, p. 18 



1908 Felt, E. P. N. Y. State Mus. Bui. 124, p. 394 



1910 Rubsaamen, E. H. Zeitsch. Wissenschaft. Insektenbiol., 15:288 



191 1 Felt, E. P. N. Y. Ent. Soc. Jour., 19:53 



19 13 Kieffer, J. J. Gen. Insect., fasc. 152, p. 157 



We have placed in this genus for the present those Diplosids 

 |iaving all the claws unidentate and the whorls of setae, and the 

 oops of the three circumfili in the male, symmetrical or nearly so. 

 [t is possible that some or all the forms placed here are not cogeneric 

 arith the type, D. fasciata Kieff., a point which can hardly be 

 established without more extended knowledge than is at present 

 ivailable respecting the life histories of the forms under consideration. 



Key to Species 



Males 

 a Abdomen fuscous yellowish, length 1.25 mm 



b Fifth antennal segment having the stems with a length three and 

 one-half and four and one-half times their diameters, respectively. 



Reared from a subglobular leaf gall on poplar 



po p u 1 i Felt, C. a 1 743 

 bb Fifth antennal segment having the stems with a length two and one- 

 half and three and one-half times their diameter; probably reared 



from an oak gall f u 1 v a n. sp., C. a2097a 



aa Abdomen reddish brown 



b Fifth antennal segment having the stems with a length two and three 



and one-half times their diameters, length 1.5 mm 



andjrogynes Felt, C. 6 



