ART. 5 GENERIC KEVISIOlSr OF THE FOSSORIAL WASPS PARKER 65 



129. Sixth tergite maculated '. 131. 



Sixth tergite Wack 130. 



130. Anterior metatarsus bearing seven spines ; fifth tergite with broad continu- 



ous fascia , pruinosa. 



Anterior metatarsus bearing five spines ; fifth tergite with widely separated 

 lateral spots quinquispinosa. 



131. Sixth tergite bearing .spinelike hairs, most numerous laterally (spinelike 



hairs on the apical border of fifth tergite also) sinuata. 



Sixth tergite (and fifth) devoid of spinelike hairs 132. 



132. Scutellum bearing lateral spots rostrata. 



Scutellum bearing a fascia 133. 



133. Fasciae on all tergites continuous miserabilis. 



Fasciae on tergites 1-3 interrupted medially liventis. 



134. Clypeus not marked with black 140. 



Clypeus black or marked with black 135. 



135. Labrum yellow or pale 136. 



Labrum black or marked with black 138. 



136. Sixth tergite maculated at apes megerlei. 



Sixth tergite black 137. 



137. Posterior metatarsus marked with black f formosara. 



Posterior metatarsus entirely yellow oculata. 



138. Mesopleura and metapleura well maculated helianthopolis. 



Mesopleura and metapleura black (rarely .small spot on mesopleura) 139. 



139. Fascia on the fifth tergite continuous velox. 



Fasciae on the fifth tergite interrupted melanopa. 



140. Fascia on first tergite continuous ; fasciae on tergites pale mercetl. 



Fascia on fir.st tergite interrupted (sometimes continuous, in which case 



fasciae on tergites are yellow) 141. 



141. Fasciae on tergites yellow similans. 



Fasciae on tergites pale 142. 



142. Interrupted fascia on dorsum of propodeum inops. 



No fascia on dor.sum of propodeum primaaestate. 



143. Deep median transverse notch on front of labrum (fig. 135) mima. 



Transverse notch lacking, at most a median prominence on labrum 144. 



144. First intercubitus vein but slightly bent (fig. 220) 145. 



First intercubitus vein normal 149. 



145. Anterior ocellus normal ; that is, reduced to a cicatrice 146. 



Anterior ocellus not completely reduced to a cicatrice, lens present, 



though distorted 148. 



146. Clypeus bearing pair of small black spots regnata. 



Clypeus without black spots 147. 



147. Sixth tergite and sixth sternite maculated perslniilis. 



Sixth tergite and sixth sternite black hexaspila. 



148. Lateral .spots on sternites 2-5; apex of sixth sternite yellow TJ-scripta. 



Lateral spots on sternites 2-4; sixth sternite black arcuata. 



149. Mandibles slender, teeth reduced to a single vestige; all tergites and all 



sternites (including apical part of sixth) with continuous fasciae. 



occidentalis. 



Mandibles with at least one evident tooth ; maculations of tergites and 



sternites not as given above 150. 



150. Labrum unusually long (fig. 215) ; ultimate tergite ruguse (fig. 216)-rugosa. 

 Labrum normal ; ultimate tergite punctate l.ll. 



22764—29 5 



