No. 34-] HEMIPTERA OF CONNECTICUT! FULGORIDAE. 39 



Subfamily Flatinae. 



Here the clavus is granulated at base and the costal area of the 

 elytra has a series of transverse veins. 



Ormenis Stal. 



Differs from the preceding genus in having a granulated clavus 

 and the apex of the elytra furnished with one or two series of 

 regular parallel areoles. 



Key to Species. 



Color a uniform clear green septentrionalis 



Color fuscous with the costa and claval suture pale pruinosa 



O. pruinosa (Say). (PL iv, 4.) 



Jour. Acad. Nat. Sci. Phila., vi, 237, 1830. 



A dark fuscous-brown species marked with pale along the costa 

 and suture and generally with about three dark points near the 

 base of the elytra. When mature the whole insect is usually 

 heavily white-pruinose. It occurs throughout the eastern United 

 States and Canada. 



New Haven, 14 July, 1899 (V. L. Churchill), i Aug., 1905 (B. H. W.), 

 21 Aug., 1904, 7 Aug., 1905, 9 Sept., 1907 (W. E. B.), 26 Aug., 1913 

 (Q. S. L.), 24 Aug., 1914 (M. P. Z.) ; New Canaan, 14 Sept., 1906 

 (W. E. B.) ; Hartford, 10 Sept., 1907 (G. H. H.), 12 Sept., 1907 

 (W. E. B.) ; East River, 6 Aug., 1908 (C. R. E.) ; Wallingford, 26 July, 

 1911 (J. K. L.) ; Brookfield (E. L. D.). 



O. septentrionalis (Spinola). (PI. iv, 6.) 



Ann. Soc. Ent. Fr., viii, 436, 1839. 



A nearly immaculate clear light green insect, often white- 

 pruinose. It is distributed from New York south and west nearly 

 to the Rocky Mountains. 



New Haven, 29 Sept., 3 Oct., 1902 (B. H. W.), 24 Aug., 1904 (P. L. B.), 



14 Aug., 1906 (W. E. B.), 28 Aug., 1913 (Q. S. L.), 13 Aug., 1914 

 (M. P. Z.), 27 Aug., 1914 (I. W. D.) ; New Canaan, 9 Oct., Stafford, 24 

 Aug., 1905, Westville, 5, 9 Sept., 1907, Hartford, 10 Sept., 1907, Stratford, 

 13 Sept., 1907 (W. E. B.) ; East River, 6 Aug., 1908 (C. R. E.) ; Portland, 



15 Aug., 1913 (B. H. W.). 



Subfamily Derbinae. 



Frail moth-like Fulgorids with the elytra and wings ample and 

 often much elongated; head more or less compressed with the 

 front often reduced to a mere sulcus ; antennae often flattened, 

 and, in Otiocerus, split into two or three filaments, inserted in cup- 

 like cavities. They may be found on willows and other trees in 

 late summer and early autumn. 



Key to Genera. 



I. Second antennal joint nearly globular, but little flattened, antennal 

 sockets conspicuously expanded, equalling or exceeding the 

 second antennal joint ; front moderately broad 2 



