i68 



M. W. NIELSON 



Male pygofer in lateral aspect with long, curved process arising from caudodorsal margin, 

 process with lateral margins nearly equidistant throughout except for apical half which is 

 slightly attenuated, outer lateral margin somewhat dentate or reniform at apical half; aedeagus 

 in lateral aspect with dorsal appendage somewhat broadened at basal three-fourths, attenuated 

 at apical fourth, constricted subapically and slightly bulbous apically, curved caudodorsally, 

 without spines or flanges; ventral appendage very long, narrow, tube-like, slightly curved, 

 apex slightly bulbous, extending beyond apex of dorsal appendage; gonopore apical; connective 

 Y-shaped; style clawed apically; plate with distal segment elongate, narrow, length about 

 twice as long as width, dorsal margins slightly bulbous medially. 



Female seventh sternum with posterior margin slightly convex on either side of middle. 



458 



Figs 454-458. Tharra crenulata sp. n. 454, male pygofer, lateral view; 455, plate, lateral 

 view; 456, aedeagus, lateral view; 457, aedeagus, dorsal view; 458, style, lateral view. 



