Efferia caudex (Walker)

Scarbrough, Aubrey G. & Perez-Gelabert, Daniel E., 2008, Review of the West Indian species of Efferia Coquillett (Diptera: Asilidae): Part 1. Bahamas, Cayman Islands, Cuba, and Jamaica, Insecta Mundi 2008 (49), pp. 1-29 : 14

Efferia caudex (Walker)

Fig. 1 , 14-16

Asilus caudex Walker 1849: 404 .

Erax caudex (Walker) , Aldrich 1905: 276. Combination; Kertész 1909: 234. Catalogue.

Nerax stylatus (Fabricius) , Hull 1962: 478. Combination. Listed Er. caudex a synonym of Er. stylatus .

Efferia caudex (Walker) , Farr 1965: 30. Combination, male terminalia illustrated; Martin and Papavero

1970: 64. Catalogue.

Efferia invarius (Walker) , Farr 1965: 31. Syn.

Specimen examined. Jamaica W.I. / St. Morant Bay Rd. / 14 ½ mi. E. of / Kingston / 13.v.1961 / T.H. Farr ~ Efferia / caudex (Walker) / Det. 1965 / T.H. Farr (1 m, USNM; 1 m, 1 f, IJSM).

Distribution. Jamaica; May.

Remark. Efferia caudex is distinguished from congeners by the characters in the key and combined characters of the terminalia (Fig. 14-16). It is distinguished from the Jamaican Ef. gossei and Ef. haloesa by its large body (16.0-20.0 mm), dilated costal margin, the shape of the gonostylus, and short, thin gonocoxal setae (Fig. 14-16).

Figures

Figure 1. Distribution of Efferia in the Bahamas, Cayman Islands, Cuba, and Jamaica.