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



rise ; 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. 



emphorid;e. 



The remarks under Euceridae apply here. 



Key to Genera. 



Pulvilli present Melitoma p. 734 



Pulvilli 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- 

 glossae 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 



