PAPEE I CARRIKER ON MALLOPHAGA 3 



2. A short spine between the two long setae of anterolateral angle of 



prothorax and the long setae of posterior margin. Male genitalia 

 very distinctive . . . M. exsanguis exsanguis (Paine and Mann) 

 A medium long setae instead of short spine on lateral margin of 

 prothorax, followed by six long setae on each side of posterior 

 margin 3 



3. Frons flady rounded; seven or eight spines on lateral margin of 



pterothorax; movable sclerite of male genitalia very distinctive. 



M. exsanguis malherbi, new subspecies 



Frons bluntly conical; five spines on lateral margin of pterothorax; 



male genitalia very distinctive .... M. extraneus, new species 



4. Head spines straight, either slender or thickened basally 5 



Head spines thickened basally and curving to a point .... 10 



5. Head spines slender, with somewhat undulating margins; frons bluntly 



conical, with convex sides; two long setae after spine in antero- 

 lateral angle of prothorax M. benii, new species 



Head spines thickened basally ; a single long setae after spine in antero- 

 lateral angle of prothorax 6 



6. Ocular slit partially or entirely covered ; frons flatly rounded ... 7 

 Ocular slit clearly visible (not covered) 8 



7. Prothorax with posterolateral margin circular; occipital nodi elon- 



gated; second and third coxae large, with scattered setae. 



M. caquetae, new species 



Prothorax with lateral margins straight; second and third coxae 



small, oval, and with four fine, short setae along posterior side (cf)- 



M. hofFmanni, new species 



8. Second and third pair of coxae elongated, slender and with sides 



straight, or nearly so; frons very flatly circular 9 



Coxae small and oval ; frons decidedly circular, 



M. punensis, new species 



9. A medium long seta on side of prothorax, instead of small spine, 



between the two long setae; sternite VHI peculiarly shaped (see 



fig.) M. colaptis (Durrant) 



A short, spinelike seta on sides of prothorax; third coxae long and 

 slender, with straight sides; sternite VHI normal. 



M. praecursor (Kellogg) 



10. Frons sharply and flatly conical, with rounded tip 11 



Frons broadly circular or rounded, with slightly flattened sides . .13 



11. Three long setae on each side of prothorax (instead of two and a 



spine) ; many short, thick setae on second and third coxae and on 



all femora M. koreae, new species 



Two long setae on each side of prothorax, with a very small spine 

 between them 12 



