294 PROCEEDINGS OF THE NATIONAL MUSEUM vol. i09 



Panama Records: 



BocAS DEL ToRO PROVINCE: Almirante. 



Canal Zone: Fort Clayton, Fort Davis, Fort Kobbe, France Field, Loma 



Boracho, Mandinga River, Mindi Dairy, Mojinga Swamp. 

 CHiRiQuf Province: Algarrobo, Boca Chica, Chiriquf, Chirii, Concepci6n Hor- 



concitos, Rio Tabasard,, Tortugas. 

 CocLi; Province: Aguadulce, Ant6n, Cocl6, El Cristo, El Valle, La Venta, 



Penonom6, Rfo Hato. 

 Col6n Province: Cativd. 



Dari^n Province: El Real, Garachin^, Jaqu6, Punta Patino. 

 Los Santos Province: Guarar^, La Palma, Las Tablas, Los Cruces, Macaracas, 



Puerto Mensabd, La Yeguada. 

 PanamX Province: Alcalde Diaz, Chepo, La Jolla, Pedregal, San Carlos, Isla 



Taboga, Tocumen. 

 Veraguas Province: Divisa, Rfo Santa Marfa, San Francisco, Santiago, Sapotillo. 



Discussion: The small size, bare wing without marginal pale spots, 

 the very short, entirely dark second radial cell, blackish mesonotum 

 with two faint darker vittae and relatively pale legs will distinguish 

 pusillus from other Panama species. C. pusillus is exceptional among 

 the related species of the subgenus Cvlicoides (Avaritia) in having the 

 apex of the very short second radial cell entirely dark or only very 

 slightly encroached on by the poststigmatic pale spot. Structurally 

 it is typical of the subgenus. 



Subgenus Culicoides (Culicoides) Latreille 



Culicoides Latreille, 1809, Genera Crustaceorum et Insectorum . . . , vol. 4, p. 

 251 (type: Culex pulicaris Linnaeus, as Ceratopogon punctatvs Meigen, 

 monobasic) . 



Species with the second radial cell ending in a pale area; base of 

 cell M4 dark at the base of the mediocubital fork and the apices of 

 veins Mi, M2, M3+4 and Cui always dark; r-m crossvein always pale; 

 eyes contiguous, bare; antenna with sensoria present on segments 

 III, and XI, XII or xiii to xv. 



There are three groups of the subgenus Culicoides in Panama: 

 pvZicaris (below), covagarciai (p. 298), and nigrigenus (p. 307). 



The pulicaris group 



Large species with black legs, at most with small pale knee spots; 

 mesonotum blackish, entirely dull gray pruinose or with gray pruinose 

 pattern; antenna with sensoria present on segments iii, xi-xv; tibial 

 comb with six spines; male genitalia with ninth tergum rounded 

 caudally and bearing a low median lobe, the apicolateral processes 

 small; basistyle with mesal surface more or less spinose; aedeagus 

 without basal sclerotized band, distal peg or spherical tip; parameres 

 separate, with bent bases and slender, pubescent tips. 



