I20 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



covering anterior portion of vertex, and arcs of face, black. 

 Elytra often with longitudinal black markings, nervures pale. 

 Female last ventral segment with broadly rounded lateral angles, 

 posterior margin rather narrowly, deeply concave. Male valve 

 obtusely angled, plates short and broad, tips broadly, bluntly 

 rounded. Length 6 mm. 



Occurs in company with the two preceding species in swampy 

 places on small sedges. It should be found abundantly in the state. 



Branford, 21 July, 1920 (B. H. W.) ; New Haven, 11 July, 1020 

 (B. H. W.). 



E. extrusus (Van Duzee). Athysanus extrusus Van Duzee. 

 Athysanus venosus Osborn. 



Can. Ent, xxv, 283, 1893. 



Rather short, quite broad; vertex obtusely angled, yellowish 

 with four triangular spots and often an interrupted transverse 

 band between eyes. Pronotum irregularly marked with brown. 

 Elytra short and broad, nervures pale, margined with fuscous. 

 Female last ventral segment with lateral angles triangularly pro- 

 duced, posterior margin truncated on middle half. Male valve 

 obtusely triangular, plates divergent to the parallel outer margins. 

 Style-like tips of pygofers extending far beyond the plates. 

 Length 4.2-5.2 mm. 



Frequently found in meadows on grasses, but rarely in sufficient 

 abundance to be considered of economic importance. It commonly 

 occurs in marshy places on sedges. 



Mount Carmel, 25 May, 1906; New Haven, 19, 26 June, 1910; Hamden, 

 28 May, 1911; North Branford, 8 June, 1912, 23 May, 1922 (B. H. W.) ; 

 Killing-worth, 31 May, 1920 (B. H. W.) ; Cornwall, 5 June, 1921 

 (B. H. W.) ; East Haven, 10 May, 1921 (B. H. W.) ; Guilford, 13 July, 

 1921 (B. H. W.) ; Portland, 25 July, 1920 (B. H. W.). 



E. relativus (Gillette and Baker). Athysanus relativus Gillette 

 and Baker. Athysanus ohsoletus Provancher. 



Hemip. Col., 93, 1895. 



Vertex quite bluntly angled, rounding in front, pale straw 

 yellow, sometimes with a pair of dark spots on vertex. Elytra 

 very short, often not reaching the tip of abdomen, yellowish sub- 

 hyaline, nervures indistinct. Female last ventral segment with 

 posterior margin roundingly, rather shallowly emarginate, a small 

 pointed black tooth in its apex. Male valve short, triangular; 

 plates three times as long as valve, roundingly narrowed to broad, 

 blunt apices. Length 4.5-5 mm. 



A northern form which has been taken in the state although 

 more abundant in the western United States. It feeds on grasses 

 in meadows. 



New Haven, 9 Nov., 1903 (H. L. V.) ; 22 Sept., 1920 (B. H. W.). 

 E. varus (Ball). Athysanus varus Ball. 



Can. Ent, xxxiii, 5, 1901. 



Vertex with broad, sloping apex, straw yellow with transverse 



