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



T. donatus Smith. Howard, Insect Book, PI. iv, Fig. 13. 

 Prospect, 15 August, 1906; Stafford, 24 August, 1905 

 (W. E. B.). 



T. concavus Cresson. Howard, Insect Book, PI. iv, 

 Fig. 8. 



T. remigatus Fabricius. Howard, Insect Book, PI. i, 

 Fig. 28. 



T. cressoni Robertson. T. mercatus Fabricius. 



Neopasites Ashmead. 

 Formerly Phileremus. A single species has been found in 

 this State. 



N. illinoiensis Robertson. 



Length 5 mm. Abdomen usually reddish, rarely entirely 

 black, but always with a golden apical margin to its dorsal seg- 

 ments. Head and thorax black, with short, silvery pubescence; 

 legs inclining to a dull reddish. 



New Haven, 30 June, 1905 (B. H. W.). 



EUCERID.E. 



Solitary digger-bees with but one female and one male to each 

 nest. 



Key to Genera. 



1. Anterior inferior orbits with a large subtriangular malar 



space; clypeus remote from eye 2 



Anterior inferior orbits with a small subtriangular space; 

 clypeus nearly touching eye; maxillary palpi with three, 

 four, or five joints Melissodes p. 730 



2. Maxillary palpi with five joints 3 



Maxillary palpi with six joints Tetralonia p. 733 



3. Claws toothed but not cleft Cemolobus p. 733 



Claws cleft Xenoglossa p. 733 



Melissodes Latreille. 

 Key to Species. 



Females. 



I. Maxillary palpi 3 or 4-jointed 2 



Maxillary palpi 5-jointed; pubescence of thorax mixed with 

 black; abdomen somewhat metallic; second to fourth 

 dorsal abdominal segments with fasciae of white appressed 



