No. 34-] HEMIPTERA OF CONNECTICUT I CICADELLIDAE. 145 



21 July, 1920 (B. H. W.) ; East River, 10 July, 1909 (C. R. E.) ; Yalesville, 



19 Oct., 1903 (H. L. V.) ; Bridgeport, 20 Sept., 1920 (B. H. W.) ; Hamden, 



20 June, 1920 (B. H. W.) ; New Canaan. 3 Sept., 1920 (B. H. W.) ; 

 Stratford, 9 July, 1920 (B. H. W.) ; Waterbury, 15 Oct., 1920 (B. H. W.) ; 

 Madison, 24 Sept., 1922 (B. H. W.) ; Orange, 2 June, 1920 (W. E. B.) ; 

 North Haven, 24 Sept., 1921 (B. H. W.) ; Plainville, 2 Sept., 1921 

 (B. H. W.). 



C. slossoni Van Duzee. 



Can. Ent, xxv, 281, 1893. 



A small robust species with blunt head. Arcs on front, a pair 

 of transverse spots at margin and two pairs irregular in shape 

 above these, black. These are often fused on vertex, causing an 

 almost black coloration. Scutellum with disc and basal angles 

 marked with black. Elytra mottled. Length 2.5-3 mm - 



Common on Juncus in wet pastures, but apparently occurs only 

 in this habitat. 



New Haven, 20 Aug., 1920 (B. H. W.) ; North Branford, 12 June, 1921 

 (B. H. W.). 



C. potoria Ball. 



Can. Ent., xxxii, 346, 1900. 



Vertex nearly right-angled, apex conical, dark fuscous, the 

 margins a median line and two dashes on either side, yellow. 

 Pronotum and scutellum fuscous, yellow-margined, elytra long 

 milky subhyaline sometimes mottled. Length 2.2-2.5 mm. 



A swamp or wet pasture species feeding on Juncus and Eleo- 

 charis and always found in a restricted habitat. 



Balclutha Kirkaldy. 



Elongate, slender, vertex very short, almost parallel margined, 

 obtuse and rounded before. Head not wider than pronotum, 

 usually narrower and pronotum strongly produced and rounded 

 forward from humeral angles, concave posteriorly. Elytra greatly 

 exceeding abdomen with a well-defined appendix, and the outer 

 branch of the first sector wanting. 



Key to Species. 



1. Elytra without markings, colored some shade of green or yellow 2 

 Elytra marked with black spots or irregular blotches punctata 



2. Robust bright green. Length 4 mm osborni 



Smaller, 3.5 mm. in length, dull or pale green, often with elytra 



whitish impicta 



B. punctata (Thunberg). Cicada punctata Thunberg. Eupteryx 

 clypeata Curtis. Cicadula spreta Zetterstedt. Typhlocyba 

 rosea Provancher. Typhlocyba jacosa Provancher. 

 Acta Upsala, iv, 21, 1782. 



Vertex obtusely produced in front, dull green, yellow or tinted 

 with red. Vertex, pronotum and scutellum often marked with 

 black or fuscous in the form of longitudinal lines. Elytra with 

 black spots arranged in two oblique bands. Length 3.5-4 mm. 



