660 LIST OF DIPTEBA. 



Asilus tricuspis, Loew, Linn. Ent. iii. 446, 9. 

 Asia Miuor and the Isles of Greece. 



10. Asilus basalis. 



Foem. Cinereo-fuscus ; mystax magmis, pilis nigris fiavidisque 

 varius ; tibice a basi ad quartam usque partem rufo-testacece, 

 aim subcinerea, apice margineque postico obscuriores ; oviduc- 

 tus latus subtrigonus, subtus Jlavido pilosus, lamellis apice 

 acute mucronulatis. 



Asilus basalis, Loew, Linn. Ent. iii. 450, 10. 



Switzerland. 



11. Asilus bifurcus. 



Cinereo-fuscus ; mystax nigro-Jiavidoque varius, vix usque ad 

 medium faciei partem productus ; thorax parce pilosus ; tibice 

 basi distincte rufce, intermedia extus longitudinaliter testacece ; 

 alee subcinerea, apice margineque postico paullo obscuriores. 

 Mas. — Forceps analis permagnus, apice bidentatus, dente 

 superiore majore resupinato. Fcem. — Oviductus latissimus, 

 obtusus, lamina inferiore latissima apice rotundata. 



Asilus bifurcus, Loew . 



Austria. Hungary. Upper Italy. 



12. Asilus apiculatus. 



Cinereus ; mystax setis nigris albidisque varius, paullo ultra 

 mediam faciei partem extenso ; tibice omnes basi anguste 

 rufce ; alee limpidce, apice margineque postico subcinerece. 

 Mas. — Forceps analis magnus, obtusatus, margine apicis 

 reflexo subapiculatus. Fcem. — Oviductus subtrigonus, infe- 

 rius ad basim pallide pilosus. 



Asilus apiculatus, Loew, Linn. Ent. iii. 457, 12. 



Mermeriza, Valley of the Xanthus. Asia Minor. 



Group 2. EUTOLMUS. 



Corpus obscure cinereum, statura mediocri. Mystax densus. 

 Thoracis vitta intermedia dimidio postico taritum setoso. Pedes 

 obscuri, femora plerumque rufescentia. Mas. — Sexualia parva, 

 non tumida, nee compressa; forceps analis simper simplex, aut 



