^? 



130. 

 HILARA CILIPES. 



Order Diptera. Fam. Empidae Lai., Leach. 



Tijpe of the Genus Empis Maura Fah. 



HiLARA Meig. — Empis Fab., Lat., Harris, Fallen. — Bibio Panz. 



-Antenna: porrected, contignou.*, inserted between the eyes in 

 front of the head, pubescent, r)-jointed, basal joint short cylin- 

 dric, 2nd cup-shaped, 3rd long ovate, subulated, 4th minute, 

 .'jth long cylindric, terminated by a short hair (fig. 3). 

 Labrum long, horny, hollow, cleft at the apex (1, b). 

 Tongue long lanceolate acute (c). 

 Mandibles none. 



Maxilla; much shorter than the tongue, obtuse, thin at the edges 

 (e). Palpi as long as the maxillae, very pilose beneath, formed of 

 one long fleshy joint (f). 



Lip long, large, fleshy, bilobed, pilose, very membranous at the 

 upper surface (g). 

 Proboscis exserted vertically, nearhj as long as the head, which is small 

 and globose (2). Eyes large lateral, remote, alike in both sexes. 

 Ocelli 3 in triangle (2*). Halteres 2. Abdomen of male compressed, 

 obtuse, recurved at the apex ; of female cylindric, the last three or 

 four joints forming a small tube terminated by a small style. Wings 

 incumbent, parallel, ciliated, containing about 15 cells, one near the 

 apex being oblique. Thighs and Tibiae simple. Tarsi 5 -jointed, 

 basal joint the longest, dilated and globose in most of the males (8). 

 Claws small. Pulvilli bilobed with a seta between. 

 Obs. The dissections are made from a male of H. cilipes. 



CiLiPES Meig. Syst. Besch. v. 3. p. 3. n. 1. tab. 22. f 3. mas. — clavipes 

 Harris's Exposition, p. 150. tab. 44. f 3. mas. 

 Olivaceous-black, slightly pilose. Head and antennae black. 

 Thorax with five obscure stripes of a darker colour : Abdomen 

 pubescent, pilose at the base in the female : Legs black. Wings 

 fuscous, very iridescent. Halteres black, 



Male. Base of tibiae ferruginous ; tibiae and 2 first joints of 

 tarsi in the anterior pair of legs clothed with long hairs on the 

 external side, the basal joint of the tarsus being dilated and 

 elliptic (fig. 8). 



In the Cabinets of Mr. Stephens and the Author. 



Having no doubt that Harris's Empis clavipes is intended 

 for our insect we should have adopted his name, had not 



