224 



American Midland Naturalist Monograph No. 3 



Aedes (Finlaya) triseriatus (Say) 



Culex Iriseriaius Say, 1823, Jour. Acad. Nat. Sci. Phila., 3:12. 



ADULT FEMALE. — Medium sized species. Head: Proboscis long, black; 

 palpi short, black. Occiput clothed dorsally with curved silvery-white lanceolate 

 scales and white erect forked scales; occiput clothed laterally with broad 

 appressed white scales. Thorax: Integument of scutum black, with a wide 

 longitudinal stripe of narrow dark-brown scales, broadly margined on either 

 side by white lanceolate scales; the longitudinal dark stripe of scutum originat- 

 ing near the anterior margin, becoming gradually broader to middle, much 



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£. K A )TOM 



B 



Fig. 123. Aedes triseriatus (Say). A, Male terminalia. 

 B, Scutum and scutellum. 



broader beyond middle (covering most of dorsal surface), and extending to 

 posterior margin on either side of the white-bordered presuctellar space. Pos- 

 terior pronotum clothed with broad appressed white scales. Abdomen: Tergites 

 blue-black scaled, with conspicuous basal patches of white scales laterally. 

 Venter white scaled, with the apices of the terminal segments black. Legs: Fore 

 and middle legs black scaled except for femora, which are pale on inner sur- 



