474 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [BulL 



Lopus Hahn. 

 L. decolor (Fallen). 



Capsus decolor Fallen, Monog. Cim. Suec, 102, 1807. 



Onychumeniis decolor Saunders, Het, Brit. Islds., 297, pi. 27, fig. 10, 1892. 



Length, male, 4.8 mm., width 1.6 mm. ; female, length 4 mm., 

 width 1.4mm.; pale with dusky brown, antennae darker brown; 

 tarsi and claws black. 



Breeds on sedges ; found in numbers and was observed to ovi- 

 posit in the stem of Juncus dudleyi at McLean, New York. 



Colebrook, 21 July, 1905 (H. L. V.) ; Cornwall, 18 July, 1921 (B. H. W.) ; 

 Litchfield, 22 July, 1920 (P. G.) ; New Haven, 11 July, 1904 (P. L. B.), 

 II Jul3^ 1920, 20 July, 1904 (B. H. W.) ; Salem, 11 July (H. W. Foote) ; 

 West Thompson, 12 Aug., 1905 (H. L. V.). 



Macrotylus Fieber. 



*M. amoenus Reuter. 



Acta Soc. Sci. Fenn., xxxvi, No. 2, 75, 1909. 



Length 2.2 mm., width .8 mm. ; yellowish green, the hemelytra 

 darker green; antennal segments i and ii black, apices white; 

 tibiae black, femora with a black bar on the dorsal margin ; cuneus 

 with two yellow spots separated with black; membrane fuscous, 

 with a clear spot on each side near the margin. 



Guilford, 13 July, 1920 (P. G.) ; Westville, 4 July, 1904 (W. E. B.), 

 type locality. 



M. sexguttatus (Provancher). 



Pet. Faune Ent. Can., iii, 150, 1887. 



Length 3 mm., width i.i mm. ; black; apex of antennal segment 

 ii pale ; head greenish ; base and apex of cuneus clear ; membrane 

 with a large clear spot on each side near the apex. 



Found breeding on Aster undulatus at Batavia, New York. 



New Haven, 16 June, 1920 (B. H. W.). 



Tribe Hallodapini. 



Key to Genera. 



Pseudarolia connate with claws (fig. 49 : 15, 16) 2 



Pseudarolia attached at base of claws, free apically but extending 

 practically parallel with claw (fig. 49: 17); females usually 

 wingless (p. 475) Coquillettia 



Antennal segment ii nearly linear, slightly thickened apically but 

 not exceeding twice thickness of basal half ; females brachyp- 

 terous (p. 475) Orectoderus 



Antennal segment ii distinctly clavate, thickness on apical half 



exceeding twice that of basal half ; females macropterous 



(p. 476) Teleorhinus 



