LIST OF DIPTEKA. 681 



white about the eyes. Abdomen bare, without bristles. Male. — 

 Sexualia of moderate size ; forceps with the hind border deeply in- 

 ducted. Fern.— Abdomen more flat than that of the male. Ovi- 

 duct short, obtusely obconical, somewhat compressed beueath. 



68. AsiLUS VARIABILIS. 



Mas et fern. Obscure cinereus ; barba faciei latioris ad maxi- 

 mam partem in mari alba in foam, nigra, menti nivea ; macula 

 sub antennis subquadrata nigra nitidissima ; thoracis vitta 

 media subgemina et abdomen nigricantia, incisuris albescenti- 

 bus ; pedes nigri, tibiis posticis metatarsisque omnibus ferru- 

 gineis,femoribus anticis subtus albo pilosis ; alee subhyalince. 



Asilus variabilis, Zett. Ins. Lapp. 506, 4 ; Dipt. Scand. i. 169, 5. 

 Loew, Linn. Ent. iv. 133, 68. 



North Europe. 



Group 13. Pamponerus. 



Corpus nigro-cinereum, sat magnum. Faciei pars convexa 

 prae cgeteris magna. Mystax fere ad antennas aseendens. Thorax 

 tenuiter et breviter hirtus, breviterque setosus. Abdomen pilosum ; 

 incisures setis longioribus. Femora anteriora dense setosa. Ala: 

 coloratae. Mas. — Sexualia mediocria ; forceps margine postico 

 valde inciso. Fcem.— Oviductus brevis, obtuse obconicus. 



Pamponerus, Loew, Linn. Ent. iv. 135. 



Body blackish gray, of rather large size. Convex part of the 

 face unusually large. Mystax ascending nearly to the antennae. 

 Thorax with line and short hairs, and with short stout bristles. 

 Abdomen hairy ; incisures with bristles, which are longer than the 

 hairs. Legs black ; tibiae tawny ; anterior femora thickly beset 

 with bristles. Wings highly coloured. Male.— Sexualia of mode- 

 rate size; forceps with the hind border deeply notched. Fern. — 

 Oviduct short, obtusely obconical. 



69. ASILUS GERMANICUS. 



Cinereus ; mystax supra niger, subtus fulvus ; barba fulva ; tho- 

 rax nigro vittatus ; abdomen nigrum ; tibia tarsique fulva ; 

 alee costa ferruginea, maris fuscce basi alba. 

 Asilus germanicus, Linn. Oken, Lehrb. Naturgesch. iii. 488. 

 Zeller, Isis, 1840, 52, 6. Zett. Dipt. Scand. i. 16<3, 2. Loew, 

 Linn. Ent. iv. 135, 69. 

 North and Middle Europe. 

 a, b. England. From Mr. Stephens' collection. 



