BALCLUTHA — BLOCKER 



33 



Eugnathodus calcara DeLong and Davidson, 1933a, Ohio Journ. Sci., vol. 33, p. 57, 

 Length of male 3.2 to 3.7 mm, of female 3.3 to 4.0 mm; head width 



of male .800 to .875 mm, of female .875 to .925 mm; pronotal width of 



male .750 to .850 mm, of female .825 to .900 mm. 



Head as wide as or wider than pronotum; vertex as long next to eye 



as medially, interocular width more than three times median length; 



ocellus located at a distance less than its diameter from eye; anteclyp- 



eiis widest apically, exceeding gena; postclypeal sutures either 



parallel or slightly curved mesally above antennal pits; pronotum three 



Figure 20. — B. guajanae: a, aedeagus, lateral view; h, style and connective, dorsal view; c, 

 valve and plate, ventral view; d, male pygofer, lateral view; e,f, female abdominal sternum 

 VII, ventral view. 



times as long as vertex; hind femoral chaetotaxy 2-1-1; female wdth 

 posterior margin of abdominal sternum VII rounded, notched mesally. 

 Male pygofer with less than 15 setae, a tapered process at postero- 

 ventral margin extending ventrally, its margin entire; plates broadly 

 triangular; connective expanded apically, deeply bifid, equal in length 

 to style, stem longer than arms which diverge at approximately 90 

 degrees; style with preapical lobe rounded, apical extension strongly 



226-964—67 3 



