WILLIAM T. ,M. FORBES 



.1. ACROLOPHU8 Pocy 



ItK-huliiitr lly pod opus Walsingham, Anaphora Clemens, Pseudana- 

 pliura Walsingham, Euthcca Grote, and other genera) 



Characters of the subfaiuiry. 



The genus lias been divided into various genera, but Walsingham and Durrani 

 n include that then' arc no satisfactory distinguishing characters and there- 

 i'oiv reunite them. 



FIGS. 93-98. MALE GEXITALTA OF SPECIES OF ACROLOPHUS 



In each case the lateral view is shown, as seen after removing the 

 scales. The dorsal view of the uncus is also shown. 93, A. arcanellus; 

 94, A. mora : 95, A. popeanellus; 96, A. texanellus; 97, A. plumifrontellus; 

 98, A. mortipenncllus 



Key to the species (males) 



} . Uncus simple 10. griseus. 



I . Uneus bifid. 



2. Valve with a lateral piece, overlying it, two-thirds as long as the main part 



of the valve (fig. 97 ) 9. plumifrontellus. 



2. Valve apparently simple in side view. 



3. Valve strongly down-curved in side view; tips of uncus enlarged and 



rounded ( fig. 98 ) 8. mortipennellus. 



3. Valve straight in side view; tips of uncus not enlarged. 



4. Dorsal edge of uncus sharply bent at a right angle near middle (fig. 95). 

 5. Valve two-thirds as wide as length of vertical part of uncus (fig. 95). 



3. popeanellus. 



5. Valve fully as wide as length of vertical part of uncus . . 4. confusellus. 

 4. Dorsal edge of uncus evenly curved. 



r>. Spines of uncus fully one-third as long as valve, slender, separated by 



one-third their length; eyes naked (fig. 94) 1. mora. 



5. Spines of uncus less than one-third as long as valve or widely separated. 



G. Body stout; palpus upturned, reaching just above the vertex 



( fig. 93 ) 2. arcanellus. 



G. Body more slender; palpus turned back over the vertex to the thorax. 

 7. Valve in the form of a large spoon, very wide and one-third as deep 



as wide 5. tennis. 



1. Valve narrow and slightly spatulate (fig. 96) 6. texanellus. 



7. Valve slender and regularly tapering toward apex.... 7. hulstellus. 



