Plate XVIII 



INTRAFAMILY VARIATION OF HABITUS IN NEOTROPICAL 

 PSELAPHIDAE 



Fig. 1. Barrojuba albertae Park, Panama Canal Zone. Dorsal aspect, from 



male type. Note complete absence of vertexal foveae. 

 Fig. 2. Rhinoscepsis falli Park, Brazil. Dorsal aspect, from type. 

 Pig. 3. Decarthron euspinijrons Park, an ecitophile from the Panama Canal 



Zone. The frontal horn is novel in the genus. Dorsal aspect from 



male type. 

 Pig. 4. Metopioxys mattogrossoensis Park, Brazil. Dorsal aspect, from male 



type. Note geniculate antenna. 

 Pig. 5. Barrometopia quasimoda Park, a termitophile from the Panama Canal 



Zone. The pronotum is strongly gibbous on either side of the median 



sulcus. Dorsal aspect, male type. 

 Fig. 6. Batoctenus barberi Park, Brazil. Dorsal aspect, male type. 

 Pig. 7. Euphalepsus myrmeco coins Park, Mexico. Dorsal aspect, female type. 



