PAPEB II CARRIKER ON MALLOPHAGA 29 



of frons toward mandibles are unusually narrow and of occipital region 

 very lightly pigmented. Pterothorax unusually wide and prothorax of 

 normal size. Genitalia very distinctive (fig. 22), apparently with no fine 

 setae on distal portion. 

 Measurements are given in the tabulation above. 



Trichodomedea mexicanus, new species 



FiGtTRES 11:24-27 



Holotype male, allotype female, and 1 1 paratypes from Odontophorus 

 guttatus Gould collected at "Veraguas," Mexico (USNM). 



Diagnosis: Shape of head of the male differs considerably from any 

 known species found on Odontophorus, with strong sexual dimorphism both 

 in size of body and shape of the head. Head wide at temples and in the 

 female almost quadrangular. Cephalic index of frons and temples is 

 0.80:1.30 for the male and 1.00:1.25 for the female. Eyes prominent, 

 large and protruding in both sexes. Male genitalia less complicated than 

 in most species, but differ in details from all other species found on 

 Odontophorus. 



Measurements are as follows : 



References 



Carriker, M. a. 



1945. Studies in Neotropical Mallophaga (VII). Gomodes and allied genera 

 from gallinaceous hosts. Rev. Acad. Golombiana Cienc., vol. 6, 

 pp. 355-399. 

 Keler, S. 



1939, Baustoffe zu einer monographic der Mallophagen. II. Teil: Uberfam. 



Nirmoidea. Nova Acta Leop.-Carol. (n. f,), vol. 8, pp, 1-254. 



