3? 



661. 

 HYBOS PILIPES. 



Order Diptera. Fam. Hybotidse. 



Type of the Genus, Hybos funebris Fab. 



Hybos Meig., Fab., Macq., Curt. — Asilus Fab. — Acromyia Bon. 



Antennce inserted at the middle of the face, contiguous, por- 

 rected, short, pubescent, 4-jointed, 2 basal joints stout, 1st ob- 

 ovate and surrounded with strong bristles at the apex, 2nd nearly 

 as long and oval, 3rd attached to the apex, minute, 4th a very 

 long seta, pubescent, except at the apex (3). 

 Trophi short, exserted horizontally a little beyond the head (2). 

 Labrum long, lanceolate, bifid, terminating in 2 fine points (1 /;). 

 Tongue as long as the labrum, slender and lanceolate (c). 

 Maxillcs w^anting. Palpi as long as the labrum, clavate and 



» pubescent with a few bristles inside (/). 

 Labium long and horny, rather stout, tapering, hollow and ter- 

 minating in a small cleft apex {g). 

 Head small and spherical, largest in the male ; face very narrow (2 *) .- 

 eyes large, covering nearly the whole head (2), contiguous on the crown, 

 slightly notched internally : ocelli 3, placed on a small tubercle at the 

 base of the head. Thorax globose and very gibbose : scutel small 

 and lunate. Abdomen rather long, slender and clavate in the males : 

 (7, the apical joints). Wings longer than the body, incumbent, 

 horizontal, with a large discoidal cell and a stigmatiform spot (9) : 

 halteres rather large and capitate. Legs spiny, hinder the longest 

 and stoutest : thighs, posterior incrassated, with series of spines be- 

 neath : tibiae, anterior with bristles, hinder stouter and more hairy : 

 tarsi 5 -jointed, hinder the shortest, the basal joint elongated and very 

 pubescent beneath, 4th joint the smallest, obtrigonate : claws and 

 pidvilli large (8 t. hind leg). 



PiLiPEs Meig. — Curt. Guide, Gen. 1201. 5. 



DuU black ; eyes ochreous, metathorax and scutel cinereous with 

 fine short pubescence ; wings fuscous, yellowish at the base, 

 the costa and a stigmatiform spot yellowish-brown ; halteres 

 ochreous ; posterior thighs incrassated, pilose, spiny beneath : 

 base of tibiae ferruginous, 4 anterior, especially the 2nd pair, 

 furnished with long fine porrected bristles. 



In the Author s Cabinet. 



As the genus Hybos and its allies seem to be related to the 

 Tachydromidae, Empidae, and Asilidfe, I have thought it better 

 to adopt Meigen's view of the subject and consider them as a 

 distinct family. Meigen says the two basal joints of the an- 



