734 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [BuU. 



ciae ; first cubital cell twice as long as the second, about as long as 

 the third; the first joint of the labial palpi nearly one and one-half 

 times as long as the second. Male with the third joint of the 

 antennae about one-third as long as the fourth ; mandibles triden- 

 tate, their base black; clypeus with a yellow spot; labrum black, 

 apex of abdomen without spines. 



New Haven, 31 July, 1905 (W. E. B.) ; Bristol, 28 July, 1906 

 (W. H. Kelsey), Visits flowers of the pumpkin and other Cucur- 

 bitaceae, and is perhaps the most important agent in pollenizing 

 these plants. It is of interest to know that this bee has been 

 caught sleeping in a closed flower. 



EMPHORIDiE. 

 The remarks under Euceridse apply here. 



Key to Genera. 



Pulvilli present Melitoma p. 734 



PulvilH absent .Emphor p. 734 



Melitoma Latreille. 

 Entechnia Patton. 

 °M. taurea Say. Howard, Insect Book, PI. iii. Fig. 7. 

 Length 9-14 mm. Female with first cubital cell nearly equal- 

 ling the third, second short; first recurrent vein received near its 

 end; pubescence pale and mixed with black on dorsum of head 

 and thorax; second to fourth dorsal abdominal segments with 

 white pubescent fasciae; elsewhere the pubescence is black; third 

 and fourth joints of maxillary palpi ciliate, sixth minute; para- 

 glossse shorter than the seventh joint of labial palpi, sligHtly 

 over one-third the length of the second. Male with white pubes- 

 cent fasciae on the second to sixth dorsal abdominal segments. 



Emphor Patton. 

 °E. bombiformis Cresson. 



Length 13-17 mm. Female with the first cubital cell nearly 

 equalling the second and third combined; first recurrent vein 

 received near the middle of the second cubital cell ; head, thorax, 

 and sides of the first abdominal segment with pale ochraceous 

 pubescence; the third joint of the maxillary palpi ciliate; para- 

 glossae setiform, a little longer than the first joint of the labial 



