278 
MODERN SYSTEM. 
Tam. XVI. Crabronid.e. Leach. 
Cbabronites. iMrciile. 
Ihorax witli the first segment transverse-linear : feet short, or mode- 
rately long : lahrum entirely concealed, or but obscure : eyes not 
reaching the hinder part ol the head : ocelli very distinct : superior 
wings not folded longitudinally; antenna inserted at the mouth, with 
the first joint cylindric or conic, or towards the middb of the face. 
Stirps 1 . — Superior wings with one or two complete submarginal cells- 
* Mandibles tcil/i their extremities bijid. Superior wings with hut one 
recurrent nervure. 
Genus a 59. CiiABRO. Fubr., Oliv., Rossi, Jurine, Panz., Illigo 
Spinola, Leach. Spuex. Limit, Villers. 
Antenna with the first, joint long and cylindric: superior wings with 
one complete sub-marginal cell. 
Sp. 1 . Cra. cribarius. Fabr., Latr. 
Inhabits sand-banks. 
Genus 400. STIGMUS. Jurine, Panz., llliger, Spinola, Latr., 
Leach. 
Antenna with the first joint obconic : superior wings with two complete 
submarginal cells, and two discoidal cells. 
Sp. 1. Stig. uter. 
Stigmus ater. Jurine, I. air., Leach. 
Inhabits ? 
** Mamlib/es strong, many-toothed : superior wings with, two recur - 
rent nervines. 
Genus 401. F EMPIIF.DRON. Latr., Fabr., Spinola, Leach. Cr- 
monus. Jurine, Panz., llliger. 
Superior wings with the submarginal cell not narrower towards the 
apex: antenna with the first joint longest, thickest. 
Sp. 1. Pent, unicolor. 
Pemphedron unicolor. Latr., Leach. Cemonus unicolor. Jurine. 
Inhabits ? 
Stirps 2. — Superior wings with three complete submarginal cells. 
* Antenna inserted at the mouth, filiform: clypeus not trilobate. 
Genus 402. MELLINUS. Fabr., Pang., Jurine, Illig., Spinola, 
Leach. Sphi'.x, De Geer, Guv., Fill. Vespa. Limit, Ros-u, 
Harris. 
Abdomen distinctly pedunculated: tarsi terminated by a thick joint 
bearing a large pulvillus. 
Sp. 1 . Mel. mystaceus. 
Inhabits sand-banks. 
