740 



ENTOMOLOGY. 



sorted in the middle of the face. Superior wings not 

 folding longitudinally. 



Family I. Larrida. 



Superior wings with two or three submarginal cells 

 complete. 



Division I. 

 Eyes entire, not emnrginaie. Mandibles without an 

 emargination on their internal edge. 



Subdivision 1. 

 Antennae thicker externally. Eyes separate. 

 Genus DCVII. Gorytes. Latreille, Illiger, Spin. 

 Mellinus. Fabricius, Walckenaer. 

 Vespa. Linn. Geoffroy. 

 Sphex. Rossi. 

 Arpactus. Jurine, Panzer. 

 Oxybelus. Fabricius. 



Antennae inserted below the middle of the face. 

 Mandibles unidentate. Superior wings with the second 

 submarginal cell sessile. 

 Sfi. 1. Quinquecinctus. 

 Gorytes quinquecinctus. Latreille. 

 Genus DCVIII. Nysson. Latreille, Jurine, Panzer, 

 Illiger, Spinola. 



Crabro. Fabr. Olivier, Rossi. 

 Oxybelus. Fabricius. 

 Pompilus. Fabr. 

 Mellinus. Fabr. 

 Sphex. Villers. 



Antennae inserted below the middle of the face. Man- 

 dibles without teeth. Superior wings with the second 

 submarginal cell petiolated. 

 Sfi. 1. Sfiinosus. 

 JVysson sfiinosus. Latreille. 



Genus DCIX. Psen. Latr. Jurine, Panzer, Illiger, 

 Spinola. 



Pelopjeus. Fabr. 

 Trvpoxylon. Fabr. 



Antennae inserted in the middle of the face, towards the 

 front. Abdomen with the peduncle abrupt and short 

 Sfi. 1. Ater. 

 Psen ater. Latreille. 

 Tryfioxylon atratum. Fabr. 

 Inhabits Europe. 



Subdivision 2. 

 Eyes meeting behind. Antennae filiform. 

 Genus DCX. Astata. Latr. Spinola. 

 Sphex. Villers, Rossi. 

 Dimorpha. Jurine, Panzer, Illiger. 

 Antennae inserted towards the mouth, at the base of 

 the clypeus. 



Division II. 



Eyes entire, not emarginate. Mandibles emarginate 

 on their internal edge. 



Subdivision 1. 

 Superior wings with three submarginal cells. 

 Genus DCXI. Palarus. Latreille. 

 Gonius- Jurine, Panzer. 

 Philantiius. Fabr. 

 Crabho. Rossi. 



Antennae very short, thicker towards their tips. Cly- 

 peus divided into three parts by two impressed lines. 



Superior wings with the second submarginal cell petio- 

 lated. l y 



Sft. 1. Plavifies. 



Palarus jlavijies. Latr. 



Philanthus fiavifies. Fabr. 



Genus DCXII. Larra. Fabricius, Olivier, Jurine, 

 Panzer, Spinola, Latreille. 



Liris. Fabricius, Illiger. 



Sphex. Villers, Rossi. 



Antennae filiform. Superior wings with the third sub- 

 marginal cell narrow, almost lunato. Mandibles with- 

 out a tooth-like process on their internal edge. 



S/i. 1. Ichneumoniformis. 



Larra ichneuthoniformis. Panzer, Fabr. Latr. 



Genus DCXIII. Lyroi-s. Illiger, Latreille. 



Iachytes. Panzer: 



Larra. Fabricius, Jurine. 



Liris. Fabr. 



Andrena. Rossi. 



Antenna: filiform. Superior wings with the third sub- 

 marginal cell narrow, almost lunate. Mandibles with a 

 strong tooth on their internal edge. 



Sfi. 1. Tricolor. 



Larra tricolor. Fabr. 



Tachytes tricolor. Panzer. 



Inhabits Germany. 



Subdivision 2. 



Superior wings with two submarginal cells. 



Genus DCXIV. Dinetus. Jurine, Panzer, Illieer, 

 Latreille. ° ' 



Sphex. Schaeffer. 



Pompilus. Fabricius. 



Crabro. Rossi. 



Antennae, (of the males,) moniliform, terminated by 

 elongate, cyhndric joints, convoluted in the middle 

 Mandibles acutely unidentate on their internal edge 

 Superior wings with the marginal cell appendiculated : 

 the two submarginal cells sessile. 



Sft. 1. Pictus. 



Dinetus fiictus. Jurine, Panzer, Latreille. 



Genus DCXV. Miscophus. Jurine, Latreille. 



Antennae with the joints alike in both sexes. Man- 

 dibles without distinct teeth. Superior wings with the 

 second submarginal cell petiolated. 



Sfi. 1. Bicolor. 



Miscofihus bicolor. Jurine, Latreille. 



Inhabits France. 



Division III. 



Eyes notched. 



Genus DCXVI. Pison. Jurine, Latreille. 



Tachybulus. Latreille's older works. 



Alyson. Spinola. 



Superior wings with three distinct submarginal cells 

 Abdomen conic, with a very short, almost imperceptible 

 peduncle. * 



Sfi. 1. Ater. 



Pison niger. Latreille. 



Alyson ater. Spinola. 



Tachybulus ater. Latr. Gen. Crust, ct Ins. 4. p. 75 



Genu* DCXVII. I rypoxylon. Latreille, Fabri- 

 cius, Panzer, Illiger, Spinola. 



Simiex. Linnaeus, Vill. Cuv. Rossi, Christus. 



Apius. Jurine. 



Superior wings with three submarginal perfect cells- 

 the first distinct, receiving a recurrent nerveur; the 

 second obsolete, much smtllcr, receiving another ner- 



