NEOTROPICAL MALLOPHAGA CARRIKER 



417 



Figure 2. — Head, thorax, and certain abdominal segments: a, Formicaphagus laemostictus, 

 female (segments I, II); b, F. magnus, female (segment I); c, F. peruvianus, male (segment 

 I); d, F. angustifrons, male (segments I-III). 

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