ABT.6 GENERIC REVISION OF THE FOSSORIAL WASPS PARKER HI 



this tergite lateral ridges are developed, below which the angles are 

 broadly rounded and directed ventrally. 



The female resembles the male in color but the ultimate tergite 

 is greatly narrowed and provided with short lateral ridges near the 

 apex, which is almost squarely truncate. On both male and female 

 the inner eye-margins are divergent at the clypeus, and the anterior 

 metatarsus is provided with 10 spines, of which the three proximal 

 ones are smaller than the others. These specimens bear the label, 

 " Madrid, G. Mercet." 



BEMBIX REGNATA, new species 

 Figures 179-183 



Tyye (male). — Black: labrum; clypeus, except a pair of small 

 basal spots; mandibles, except tips; scape; space between and above 

 antennae; transverse line below anterior ocellus; broad anterior 

 orbits shortened above ; broad posterior orbits much narrowed above ; 

 prothorax, except a series of dorsal spots; lateral line above base 

 of wings and a pair of short narrow discal lines on scutum; narrow 

 fascia on posterior border of scutellum ; narrow fascia on metanotum ; 

 curved fascia on dorsum of propodeum extended downward on its 

 posterior surface; lateral angles and sides of propodeum; meta- 

 pleura; mesopleura and mesosternum almost wholly; interrupted 

 fascia on first tergite much narrowed toward the midline; continu- 

 ous fasciae on tergites 2-6, very broadly emarginate on anterior 

 dorsal border; lateral spots on sternites 2-5; legs, except line above 

 on femora of first and third pairs and small spots near the junction 

 of femur and tibia of all pairs; yellow^ the fasciae on the tergites 

 being pale rather than bright yellow. 



The flagellum is dark above, lighter below and toward the apex. 

 Its segments are neither spinose nor excavated but segments 10 and 

 11 are flattened. The apical segment is slightly curved and roundly 

 truncate at the apex. The middle femora are dentate, being pro- 

 vided with a number of widely separated spinelike teeth. The middle 

 tibia has its anterior apical border prolonged into a curved toothlike 

 process which bears at its apex a short spine. Near its middle this 

 tibia also shows a slight enlargement or swelling below. The second 

 sternite bears a prominent, bkmt, keel-shaped process and the sixth 

 a flattened triangular elevation from the apex of which a slight 

 carina extends to the apex of the sternite. The seventh tergite is 

 narrowed and broadly rounded at the apex and covered with numerous 

 coarse punctures. The eighth sternite ends in a short, thin, flat, blunt 

 spine. The genitalia (fig. 182) are distinct. 



