CLASSIFICATION OF IKSECTS. 201 



mostly recurved ; mandibles long, and dentate at 

 the apex ; labium short, with its ligula short and 

 trilobed ; ocelli three, distinct ; wings alike in 

 both sexes ; legs long, spiny ; female armed with 

 a sting : inhabits all sunny banks in sandy situ- 

 ations, running with great activity, and continually 

 vibrating its antennae and wings ; feeds on insects. 

 Ceropales, Pompilus, Aporus. 



707. Sphexes (Sphecites). Larva and pupa 

 as in Scholiites, the food diifering only in the 

 kind of insect provided. Imago with the an- 

 tennae composed of thirteen joints, short and 

 recurved in both sexes ; mandibles very long, 

 acute ; maxillae very long, obtuse at the apex of 

 their lacinia ; labium, with its ligula, elongate, 

 bifid, and flexible ; ocelli three ; podeon elon- 

 gate and very slender, whereas in the three 

 preceding orders it is very short ; legs long. 

 Inhabits sandy situations, flying heavily, but 

 running with agility, and feeding on insects. 

 Ammophila. 



708. Larrites {Larrites). Larva and pupa as 

 in the Scholiites, the former frequently feeding on 

 Cimicites, provided for it by ts parent. Imago 

 with antenna) composed of thirteen joints, shorter 

 in the females than the males, and often incras- 

 sated exteriorly ; mandibles less elongate than in 

 the Sphecites, and bifid at the apex ; maxillae 

 very obtuse ; labium short, its ligula short, ob- 

 tuse, and bilobcd ; ocelli three ; podeon gene- 



