CULICOIDES — WIRTH AND LEE 



13 



The species described below is probably more closely allied to the 

 North American C. haematopotus Malloch and C. baueri Hoffman 

 than to the other three Neotropical species. 



Culicoicles marinkellei Wirth and Lee, new species 



Figure 4; Plate 1 (fig. 5) 



Female/ — Length of wing 1.61 (1.55-1.70, n=13) mm. 



Head: Eyes bare, broadly separated (fig. 46), the interocular space 

 with a long seta. Antenna (fig. 4a) with lengths of flagellar segments in 

 proportion of 18-14-16-18-18-17-17-16-18-18-21-23-38, antennal 

 ratio 0.87 (0.82-0.91, n=7); distal sensory tufts present on segments 



Figure 4. — Culicoides marinkellei, new species, female (except as noted): a, antenna; b, 

 eye separation; c, palpus; d, spermathecae; e, male paramere;/, male genitalia, parameres 

 not shown. 



in, viii-x, rarely also on vn. Palpal segments (fig. 4c) with lengths in 

 proportion of 9-23-25-12-14; third segment slightly swollen distally, 

 2.9 (2.5-3.2, n=13) times as long as greatest breadth, with a small, 

 round, deep, apical sensory pit. Proboscis short, P/H ratio 0.83; 

 mandible with 13 (12-15, n=25) teeth. 



Thorax: Dark brown; scutal pattern not discernible in slide- 

 mounted specimens. Legs dark brown, knee spots blackish, tibiae 

 with narrow sub-basal pale rings; hind tibial comb with 4 spines, the 

 second from the spur longest. 



Wing (pi. 1 : fig. 5) : Pattern as figured ; second radial cell dark to 

 tip; membrane very deeply infuscated and pale spots small and 



