NORTH AMERICAN ACROLOPHIDAE — HASBROUCK 677 



trad to approximately twice width of narrowest portion of basal third, 

 apex broadly and bluntly rounded. 



Transtilla with arm glabrous, well sclerotized, slender, greatly 

 elongated, slightly more than one-third as long as harpe, hnear, 

 rather closely subparallel with costal margin of harpe, terminating 

 subacutely somewhat above base of harpe. 



Uncus simple. Dorsal aspect: base fused with tegumen and set 

 off only by heavily punctate lateral areas in cephahc half; with elon- 

 gate, slender, weakly sclerotized, niesal area; lateral margins heavily 

 sclerotized, punctate and setose, sinuate, gradually converging into 

 uncal process. Uncal process distinct from basal area by its greater 

 degree of sclerotization, wath lateral margins of basal area sparsely 

 punctate and setose, length and width medium, evenly curving caudo- 

 ventrad, apex acute. 



Gnathos fused, approximately same as that of vauriei, broad, 

 length medium, glabrous, curving ventrocaudad, ventral surface slight- 

 ly concave and broad lateral portions directed strongly downward to 

 give marked hood-shaped appearance; apical portion thin, somewhat 

 upcurved, with lateral margins evenly converging to narrowly round- 

 ed apex. 



Anellus large, membranous, unarmed, juxta absent. 



Aedeagus very long and slender, approximately half again as long 

 as harpe, asymmetrical, glabrous, sublinear in dorsal and ventral 

 aspects, approximate apical two-fifths curving considerably ventrad in 

 lateral aspect; base slightly expanded, with small dorsal opening; 

 approximate basal three-fifths sublinear or sinuate, cylindrical, 

 slightly expanded distad, partially opening dorsad at apical extremity; 

 apical two-fifths abruptly narrowed in lateral aspect to approximately 

 half width of portion immediately basad, considerably flattened dor- 

 soventrad, gradually opening lateroventrad ; ventral wall gradually 

 blending with vesica distad, terminating considerably basad of apex; 

 dorsal wall heavily sclerotized and terminating distad in large, acute, 

 heavily sclerotized, spinelike process (wanting in one dissection, pos- 

 sibly through damage) extending beyond vesica. 



Vesica elongate; basal portion slender, weakly sclerotized, blending 

 to some extent with apical portions of aedeagus; apical portion irregu- 

 larly expanding distad, broadest near apex, membranous, extending 

 free beyond apical extremities of aedeagus, curving back toward base 

 of aedeagus through angle of approximately 180°, with numerous 

 transverse infoldings becoming more prominent distad; armed at or 

 near apex with single cornutus and with or without several small, well 

 sclerotized, circular inclusions located at base of cornutus. Cornutus 

 large, approximately same size as spinelike process of aedeagus, well 



