246 LAWRENCE BRUNEE. 



Pubescence on head, thorax and femora fulvous, brightest on scutellum. 



vicinif'ormis Hob. 



Pubescence on head and thorax above ochraceous ; abdomen with shallow 

 punctures; anal fimbria obscure fulvous. Male smaller, but for most 

 part with similar pubescence and clearer wings errans Sm. 



85. Pubescence ochraceous only on mesothorax, scutellum and postscutellum. 



illerriami Ckll. 

 Pubescence on mesothorax, scutellum, postscutellum, metathorax, upper part 

 of pleura and on first and base of second abdominal segments ochra- 

 ceous wasliingtoni Ckll. 



86. The pubescence quite uniformly fulvous or reddish ochraceous 87. 



The pubescence paler, some shade of light ochraceous, gray or white 89. 



87. The pubescence on head and thorax rather short, reddish brown ; the anal 



fimbria purplish brown rad ia I u la Ckll. 



The pubescence on head moderately long 88. 



88. Enclosure of metathorax without salient rim, minutely roughened. 



priini Rob. 

 Enclosure of metathorax decidedly rugose corni Rob. 



89. Males 90. 



Females 98. 



90. Head quite large, as wide or wider than thorax, and with cheeks strongly 



produced back of the eyes 91. 



Head of only moderate width, and with the cheeks normal 93. 



91. Size small '6i mm.) ; apical margins of abdominal segments testaceous. 



Provanelieri D. T. 

 Size large (9-11 mm.); apical margins of abdominal segments not testa- 

 ceous 92. 



92. Pubescence on head and thorax silky grayish white, very copious; an abdo- 



men present only on the first and second segments, very short, most 



conspicuous on sides mesillse Ckll. 



Pubescence on head and thorax very dense, long, mouse colored ; an abdomen 

 thin and sparse, with short black hairs on dorsum of segments 2-5. 



perarmata Ckll. 



93. Apical margins of abdominal segments narrowly testaceous 94. 



Apical margins of abdominal segments black or concolorous 95. 



94. The face almost naked, the punctuation fine and quite close. 



coiivexa Prov. 



The pubescence on clypeus long and dense ; apex of abdomen with a few jjray 



hairs vestita Prov. 



95. Body quite closely and moderately coarsely punctured; the face nearly 



bare 96. 



Body less closely and more minutely punctured ; the clypeus provided with 

 a more or less dense beard 97. 



96. Wings rather strongly infuscated ; length 8-10 mm. cratregi Rob. 



Wings hyaline, iridescent ; length 7 mm. ... s;i I iris Rob. 



97. Iuclosure bounded by rim strongly rugose, the wings hyaline, iridescent. - 



Nariie form roncolor Rob. 



Iuclosure defined by impressed line, granular; wings faintly clouded at 



apex ... .algida Sm. 



