742 



ENTOMOLOGY. 



Cerccris major. Spinola, Latreille. 

 Sft. I, Quadricinctus. 



Philanthus quadricinctus. Fabricius, Panzer. 

 Inhabits Europe. 



Genus DCXXVII. Philanthus. Fabr. Panzer, 

 Uliger, Jurine, Spinola, Latreille. 

 Vespa. Geoffroy, Villers. 

 Sphex. Schaeffer. 

 Crabro. Rossi. 



SlMBLEPHlLUS. JlllinC. 



Antennae distant, abruptly thicker towards their ex- 

 tremities. Mandibles without any process in their in- 

 ternal edge. Superior wings with all the submarginal 

 cells sessile. 



Sft. 1. Coronatus. 



Philanthus coronatus. Fabricius, Panzer, Latreille. 



Inhabits Europe. * 



Tribe X. Vespides. 

 Superior wings folded longitudinally. Thorax, with 

 the first segment forming an arc, prolonged behind even 

 to the origin of the superior wings. Antennas twelve- 

 jointed, witli their extremities pointed. Lip with three 

 glandiliferous divisions, or with four long plumose 

 seta;. 



Family I. Eumenida. 



(Solitary wasps.) 



Mandibles longer than broad, anteriorly meeting like 



a rostrum. Lip with the intermediate division narrow, 



and very long. Clypeus cordiform, with the point por- 



rected, and- more or less truncated. 



Division I. 



Lip without glands at their extremity, divided into 

 four very long linear and plumose divisions. Mandi- 

 bles of the male very large. 



Genus DCXXVIII. Synagris. Latreille, Fabricius. 



Vespa. Olivier, Jurine. 



Palpi four-jointed; maxillary ones very short, labial 

 ones longest. Abdomen ovate-conic, the two anterior 

 segments not coarctate. 



Sft. 1. Cornuta. 



Synagris cornuta. Fabricius, Latreille. 

 Division II. 



Lip having four glandular points at its extremity, 

 parted into three pieces, the middle one large, and bifid 

 or notched at its extremity. 



Subdivision 1 . 



Superior wings doubled, three submarginal cells com- 

 plete. Maxillary palpi six-jointed, not very much short- 

 er than the labial ones. 



Genus DCXXIX. Rygchium. Spinola. 



Odynerus. Latreille. 



Vespa. Fabricius. 



Abdomen ovoid-conic, the first segment not, or 

 scarcely, narrower than the second. Maxillary palpi, 

 with the last joint scarcely longer than the terminal pro- 

 cess of the maxillae ; labial palpi smooth, the last joint 

 distinct, the first evidently longer than the second. 

 Maxillae with their process very long and narrow. 



Sft. 1. Euroftaum. 



Rygchium Euroftaum. Spinola. 



Vesfta oculata. Fabricius. 



Odynerus Euroftaus. Latreille. 



Inhabits Europe. 



Genus CCXXX. Pterochilus. Klug. Panzer. 

 Odynerus. Latreille. 

 Vespa. Panzer. 



Abdomen ovoid-conic. Labium very long. Maxil- 

 lary palpi, with the last joint not extending beyond the 

 extremity of the maxillae; labial palpi hairy, the fourth 

 joint obtuse, scarcely visible. Maxillae with the termi- 

 nal lobe narrow and long. 

 Sft. 1. Phalaratus. 

 Pterochilus fthalaratus. Klug. 

 Vesfta fthatarata. Panzer. 

 ' Odynerus fthalaratus. Latreille. 

 Inhabits Europe. 



Genus DCXXXI. Odynerus. Latreille. 

 Vespa. Panzer, Fabricius. 



Abdomen ovoid-conic, the second segment broader 

 than the first. Maxillary palpi, with two or three of 

 the joints extending beyond the extremity of the max- 

 illa2. Maxillae with the terminal lobe short, short-lancc 

 shaped. 



Sft. 1. Sftiniftes. 



Vesfta sftiniftes. Panzer, Fabricius. 

 Odynerus sftiniftes. Latreille. 

 Inhabits Europe. 



Genus DCXXXII. Eumenes. Latreille, Fabricius. 

 Abdomen with the first segment contracted into an 

 elongate peduncle, the second segment campanulated. 

 Clypeus longitudinal, anteriorly produced into a point. 

 Mandibles forming by their junction a long-pointed 

 rostrum. 



Sft. 1. Coarctata. 



Eumenes coarctata. Fabricius, Latreille. 

 Inhabits Europe. 



Genus DCXXXIII. Zethus. Fabricius, Latreille. 

 Clypeus as broad, or broader than long, without any 

 remarkable production in front. Maxillary palpi short- 

 er than the maxillae. 

 Sft. 1. Caruleo-ftennis. 



Zethus caruleo-ftennis. Latreille, Fabricius. 

 Genus DCXXXIV. Disc^lius. Latreille. 

 Vespa. Panzer. 



Clypeus as broad, or broader than long, without any 

 remarkable protuberance before. Maxillary palpi long- 

 er than the maxillae. 

 Sft. 1. Zonalis. 

 Vesfta zonalis. Panzer. 

 Discalius zonalis. Latr. 

 Inhabits Europe. 



Subdivision 2. 



Superior wings extended, two submarginal cells 

 complete. Maxillary palpi with less than six joints, 

 shorter than the labial ones. 



Genus DCXXXV. Ceramius. Latreille. 



Sft. 1 . Eonscolumbii. 



Ceramius Eonscolumbii. Latreille. 

 Family II.. Vesftida. 

 (Social wasps.) 



Mandibles longer than broad, long-quadrate, with 

 their extremities obliquely truncated. Clypeus almost 

 quadrate. Lip with the intermediate division a little 

 lengthened, cordiform. 



Genus DCXXXVI. Polistes. Latreille, Fabricius, 

 Illiger, Spinola. 



Vespa. Linnaeus, Geoffroy, Panzer, Jurine. 



Mandibles (at least of the females and neuters) with 

 their internal edge armed with three equal teeth, the 



