No. 34-] HEMIPTERA OF CONNECTICUT: CICADELLIDAE. 123 



Several of the species of the genus are two brooded, others only 

 ©ne and the food plants although specific in most cases for each 

 species, range from trees and shrubs to various grasses and herbs. 

 As a group they seem to prefer wooded and shaded areas. 



Key to Species. 



1. Elytra with one cross nervure between the sectors, costal margin 



without supernumerary veinlets 2 



Elytra with two cross nervures between the sectors or supernumerary 

 veinlets to costa 7 



2. Elytra without markings in the form of transverse bands or ramose 



lines 3 



Elytra with a definite oblique band across posterior half of clavus 6 



3. Vertex and pronotum pale, usually yellow, elytra dark with a white 



commissural spot 4 



Vertex often pale, pronotum same color as elytra 5 



4. Vertex and pronotum yellow, unmarked, elytra tawny, nervures 



indistinct luridus 



Margin of vertex with a transverse black band, elytra creamy with 

 brownish coloring around pale commissural spot slossoni 



5. Whole insect mottled with brown marmoratus 



Uniformly reddish or chestnut-brown southwicki 



6. Pronotum and anterior half of elytra milky white, posterior portion 



with a transverse brownish band seminisdus 



Whole insect with reddish tint, band on posterior half usually much 

 darker strobi 



7. Vertex with six black spots on anterior margin, elytra fulvous 



yellow with white spots johnsoni 



Vertex unmarked, elytra fuscous with a definite light band across 

 first cross nervure between the sectors cinctus 



E. luridus (Van Duzee). Thamnotettix luridus Van Duzee. 



Can. Ent, xxii, 250, 1890. 



Vertex, pronotum and scutellum fulvous, elytra testaceous 

 brown, paler toward costa, with commissural spot creamy yellow. 

 Length 6 mm. 



Occurs on undergrowth in wooded or cut over areas, a rather 

 widely distributed form which should occur in New England 

 during August and September. 

 E. marmoratus Van Duzee. Eutettix incerta Gillette and Baker. 



Trans. Am. Ent. Soc, xix, 302, 1892. 



Pale yellowish brown, vertex with a line in transverse depression, 

 two spots at apex, four along base and median impressed line, 

 testaceous. Elytra subhyaline with testaceous blotches and a white 

 spot on commissure. Length 5.5 mm. 



Frequently found on herbaceous plants in wooded areas during 

 early spring and August. 



Lyme, 16 June, 1918 (B. H. W.) ; Stonington, 19 May, 1914 (I. W. D.) ; 

 Plainville, 2 Sept., 1921 (B. H. W.). 

 E. southwicki (Van Duzee). Eutettix brunneus Osborn. 



Bull. Buff. Soc. Nat. Sci., v, 209, 1894. 



Vertex dull yellowish irregularly marked with testaceous. 



