j6 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



D. agcistus MacGillivray. 

 D. unicolor Beauvois. Female, D. arvensis Say. Howard, 

 Insect Book, PI. xii, Fig. 10. Connecticut (E. N.) ; New Haven, 

 4, 7 May, 1904 (H. L. V.), 2 May, 1905 (B. H. W.) ; Westville, 

 22 April, 1905, 16, 25 April, 5 May, 1906, Stonington, 26 

 April, 17 May, 1907 (W. E. B.) ; Branford, 11 May, 1906 (H. 

 W. W.) ; Westport, 12 April, 1905 (W. E. B.) ; Manchester, 1 

 May, 191 1 (B. H. W.) ; Lyme, 2 April, 1910 (A. B. C.) ; Ware- 

 house Point, 21 April, 1910 (W. E. B.). 



D. collaris Say. Connecticut (E. N.) ; Lyme, 2 April, 1910 

 (A. B. C). 



D. stugnus MacGillivray. 



*D. similis Norton. Howard, Insect Book, PI. xiv, Fig. 31. 

 Connecticut (E. N.). 



*D. aprilis (Norton). Howard, Insect Book, PI. xii, Fig. 17. 

 Connecticut (E. N.) : New Haven, 4, 7 May, 1904 (H. L. V.), 

 15, 17 May, 9 June, 12 July, 1905, 19 April, 1910 (B. H. W.). 

 Occurs throughout the state. 



D. acritus MacGillivray. 



*D. abdominalis (Norton). Connecticut (E. N.) ; New 

 Haven, 4 May, 1904 (H. L. V.). 



D. versus Norton. New Haven (A. E. V.). 



Loderus Konow. 



*L. albifrons (Norton). Dolerus albifrons Norton. Howard, 

 Insect Book, PI. xiii, Fig. 20. 



Surface of the apex of the scutellum very finely striate at base, 

 smooth at apex; head very finely, densely, uniformly punctate, 

 the lower half covered with a dense, white, sericeous pile ; lobes of 

 mesonotum uniformly finely punctate; body black, with the supra- 

 clypeal area, the clypeus, the labrum, the inner orbits enlarged 

 into a wedge-shaped dilation near the middle of the eye, and the 

 tegulse, white ; front and middle legs beyond the trochanters, the 

 tarsi (sometimes infuscated), the posterior trochanters, the poste- 

 rior femora except a ring at apex, and abdominal segments one to 

 four and a part of the fifth, rufous; wings hyaline or slightly 

 infuscated. Length, 8 mm. 



Connecticut (E. N.) ; Milldale, 21 May, 1906 (B. H. W.). 



