NEW AMERICAN CRYPTOPID GENUS — CRABILL 



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Figures 10-15 (unless otherwise stated, the following depict parts of Thalkethops grallatrix, 

 holotype). — 10, Labrum, ventral aspect: a, coclypeus; b, slitlike opening; c, field of 

 sensilla basiconica; d, translabral rugae; e, solid, pigmented underlying portion;/, hyaline, 

 fimbriulate posterior border of labrum. 11, Second maxillae (all setae omitted). 

 12, Kethops euterpe Crablll, 10th leg, anterolateral surface (setae omitted). 13, Pres- 

 ternum and left prehensor, ventral aspect (setae omitted): a, poison calyx; h, pleuropro- 

 sternal suture. 14, Tenth leg, anterolateral surface, showing serial spurs and their 

 formulae (setae omitted). 15, Ultimate right leg, inner surface (setae omitted), showing 

 pigmented mucrones. 



