234 Annals Entomological Society of America [Vol. XII, 



Deltocephalus latidens n. sp. 



Closely resembling misellus, but slightly larger and more robust, 

 with color pattern more vague and with distinct genitalia. Length 

 3 mm. 



Vertex: Flat, slightly longer than width between the eyes, width 

 across eyes almost equaling combined length of vertex and pronotum. 

 Pronotum short, more than twice as broad as long, anterior margin well 

 produced bet^veen the eyes. Elytra a little more than twice as long as 

 broad, barely exceeded by abdomen. Face strongly inflated. 



Color: Bufi^ irregularly marked with pale orange. Vertex with 

 traces of the four quadrants found in misellus usually appearing as a 

 broken, broad transverse band between anterior margins of the eyes, 

 and two indistinct triangular spots approaching apex, pale orange. 

 Pronotum with traces of six longitudinal pale orange bands. Scutellum 

 pale. Elytra generally darker with pale veins and cells pale orange with 

 few dark markings. Two small spots along suture, one on middle of 

 clavus, one just behind anterior cross vein, posterior margin of inner 



anteapical and posterior margin of apical cells, brown. Face brown with 

 traces of about eight arcs. Beneath yellow, heavily marked with brown. 

 Ovipositor and broad tooth of last ventral segment in female brown. 

 Male plates brown. 



Genitalia: Female last ventral seginent more than twice as long as 

 preceding, posterior margin deeply, roundingly incised near lateral 

 margins two-thirds to base leaving a broad central truncated tooth one- 

 half width of entire segment produced beyond the lateral angles, which 

 appear as long, narrow spatulate processes. Male valve broadly 

 triangular, convex, twice as broad as long. Plates short and broad, 

 sloping almost unifonnly to broadly rounded apices. Outer margins 

 set with fine white hairs. 



Described from eleven females and eight males collected in 

 1916, at Amery, Wis., August 10; Cameron, Wis., August 7; 

 Merrillam, Wis., August 5; Taylors Falls, Minn., August IG; 

 Trout Lake, Wis., September 9; and Sturgeon ,Bay, Wis., 

 July 19, 1914, by the authors. 



This little species resembles misellus so closely in general 

 appearance that the two have been confused. The female 

 genital characters, however, are very distinct. 



