HYMENOPTERA. LARRIDZ. 81 
PEMPHREDON Fabr., Westw. Duiovontus Curtis. 3 sp. P. minutus Fabr. 
Clypeus transverse, tridentate; mandibles bidentate, strong; two submarginal 
cells, each receiving a recurrent nerve, second truncate-triangular; labrum 
bidentate. Curtis, 496. 
PASSALCECUS Shek. ee SRE tab: 3 sp. P. insignis Shk. 
Diovontus p. Curt. 
Two submarginal cells, each receiving a recurrent nerve, second cell transverse, 
not petiolated ; mandibles bidentate or tridentate. 
CEMOMUS Jur., Westw. Pempurepon Latr., Curt., Shk. 2 sp. ee PELE 
unicolor Jur. 
Mandibles short, strong, 3-dentate ; abdominal peduncle moderate ; upper wings 
with two submarginal cells, the second square, the first and second receiving a 
recurrent nerve ; labrum entire. Jur. pl. 11. f. 28. 
Cremomus p. Jur., Shk. 
DIPHLEBUS Westw.4 Pemrurevon Latr. 2 sp. Pelop, unicolor Faby. Nec 
Dineurus Westw. olim, Jurine. 
Mandibles elongate, 4-dentate ; two submarginal cells, the first receiving two re- 
current nerves ; three discoidal cells; abdominal peduncle short. 
CERATOPHORUS Shkk. Pemrureponp. V. L. 1sp. P. Morio V. L. 
Petiole of abdomen short; second submarginal cell widest towards the marginal 
mandibles ? bidentate. 
MELLINUS Fabr. Sruexp. D. G. 2sp. Vespa arvensis Linn. Curt. 580. 
Abdomen elongate, narrowed at the base, first segment knotted at the tip; tarsal 
pulvillus large ; three complete submarginal sessile cells, fourth commenced, the 
first and third receiving a recurrent nerve. © 
PHILANTHUS Fabr. Semeteruitus Jur, 1 sp. Ph. androgeus Rossi. 
Abdomen elongate-ovate ; three submarginal cells, second sessile ; marginal cell 
nearly linear, acuminate. Curtis. 273. 
CERCERIS Latr. Puinanruus p. Fab. 13 sp. Sph. arenaria Linn. Curtis, 269. 
Abdominal segments constricted; three submarginal cells, second peduncled, 
second and third receiving a recurrent nerve. 
Family 2. LARRID Leach. 
LARRA Fab. Lirts p. Fabr. olim. 1 sp. L. Ichneumoniformis F. Pz. 76. 18. 
Hirsute; antenne filiform; marginal cell appendiculated ; third submarginal cell 
narrow, oblique; mandibles without teeth; abdomen elongate ; metathorax 
long. My fig. 82. 14. 
LYROPS Ji. Tacuytes Pz. 3 sp.? Larrapompiliformis Pz. Pz. 89. 13. 
Mandibles with one short tooth ; abdomen short, ovate; metathorax shorter than 
the dorsolum. 
MISCOPHUS Jur. lsp. WM. bicolor Jur. Steph. pl. 42. f. 3. 
Two submarginal cells, second petiolated; marginal cell not appendiculated ; 
antenne filiform; mandibles with one short tooth; abdomen ovate. 
DINETUS Jur. Pompitus p. Fabr. 1 sp. WD. pictus Jur. Steph. pl. 42. f. 4, 
Two submarginal sessile cells; antennz g moniliform at base; mandibles with 
several teeth ; marginal cell appendiculated. 

Family 3. BEMBECIDZ Leach. 
There is no British species of this family. 
G 
