284 ENTOMOLOGICAL NEWS. [Juty. '7 



75. Clypeus with an indistinct median impunctate space vicina. 



76. Clypeus with a median impunctate space 77. 



77. Species over 12 mm. long; dorsum of thorax with no black pubes- 



cence carlini. 



78. Process of labrum forming an obtuse-angled triangle ; abdomen 



black andrenoides-wellesleyana. 



79. Process of labrum emarginate 80. 



Process of labrum not emarginate 85. 



80. Process of labrum truncate anteriorly, the truncation wider than the 



process is long ; clypeus shining, not densely punctured ; cly- 



peus not maculated 81. 



Si. Clypeus with a median impunctate space 82. 



Clypeus with no median impunctate space 83. 



82. Most of the middle third of the clypeus occupied by the impunclate 



space ; species resem\)\\ngflavoclypeala . pennsylvanicolan. sp.^ 



83. Species approximately 13 mm. long 84. 



84. Clypeus polished helianthi. 



Clypeus not polished braccata n. sp. 



85. Clypeus not dull S6. 



86. Clypeus not densely punctured 87. 



87. Clypeus with a median impunctate space 88. 



88. Scopa loose angusi n. sp. - 



Scopa compact ; wings blackish asteris. 



89. Process of labrum broadly truncate ; clypeus with no distinct median 



impunctate space ; the second dorsal abdominal segment de- 

 pressed practically one-half rchni n. sp. 



90. Second dorsal abdominal segment depressed one-half 91. 



Second dorsal abdominal segment depressed more than one-half . 94. 



91. Abdomen black 92. 



Abdomen red 93. 



92. Abdomen fasciate forbesi. 



Abdomen not fasciate marie var. concolor. 



93. Abdomen not fasciate mariac. 



94. Posterior tibiae and tarsi black or blackish ; abdomen not fasciate. 



weedi n. sp. j 



Posterior tibiae and tarsi black or blackish ; abdomen fasciate . obscura- 

 Posterior tibiae and tarsi honey yellow hippotes. 



95. Second abdominal segment depressed two-thirds . , 96. 



Second abdominal segment depressed more than two-thirds . . .97. 



96. Abdomen densely punctured ; its segments with no testaceous mar- 



gin multiplicata- 



97. Abdomen black ; depressed portion of second dorsal abdominal seg- 



ment indistinctly punctured ; punctures of the clypeus not fine . 



nor adjoining ; enclosure coarsely rugose spireana. 



Abdomen fasciate; depressed portion of second dorsal abdominal seg- 

 ment indistinctly punctured ; clypeus with no median impunc- 

 tate space ; posterior tibiae blackish . . nmltiplicatiformis n. sp. 



