LAPHRTA. 



47 



Epistonia barbatuni. Ociili remoti. Proboscis valida, brevis, por- 



recta aiit obliqiia. AJse incumbentes. Abdomen seginentis 8. 



Pedes seepissime validi, spiiiis arniati. 

 Mas. Anus biungulatus. 

 Foem. Ungulis analibus nullis. 



Body narrow, cylindrical, of large or of middle size, most often 

 bristly. Crown and front impressed. Epistoma anned witii bristles. 

 Eyes remote. Proboscis projecting, horny, short, stout, veiy sharp, 

 horizontal or oblique. Antennse porrect, approximate at the base, 

 erect ; third joint developed, long, distinct from the succeeding joints, 

 which are very small or obsolete ; fourth seated on the tip of the third. 

 Wings incumbent, parallel. Halteres uncovered. Abdomen cylindrical, 

 with 7 or 8 segments. Legs stout ; tibiae and tarsi armed with bristles 

 and spines. 



These flies are all carnivorous, and are the most powerful and 

 generally the largest of the Blptera. They destroy Coleoptera 

 and Hi/meno])tera, as well as the insects of their own class^ and 

 are most frequent in woods and sandy situations ; their flight is 

 silent. The larvse are apod, smooth, cylindrical, and undergo 

 their metamorphose in the earth or in decayed wood. The genera 

 may be thus divided : — 



not stylated 1. Laphria. 



with onychia : 

 Antennae 



stylated : f closed before the border . 

 Mediastinal 

 areolet < 



( oblique . 

 I open to the 

 border : ( 

 Proboscis 



I horizontal 



2. ASII.US. 



3. Dasypogon. 



4. DiOCTRIA. 



without onychia 5. Leptog.\stee. 



Genus I LAPHRIA. 



Laphria, Mg. kl. (1804) ; Fb. ; LI.; Ehi. ; Mq. ; Zll. ; Ct. ; L\v. 

 Asilus p., L. ; Fb. ; Dg. ; Gm. ; Shr. ; Pz. ; Hbst. ; Gfl'. 



Corpus magnum, robustiun, oblongum, hirsutum. Color uiger, hirsutie 

 nitente, interdum albescente vel flavescente. Proboscis porrecta. 

 Antennce triarticulata, non stylatee ; articulus tertms obtusus. Areola 

 mediastinalis clausa. Onychia conspicua. 



