Fig. 8. — Diagrammatic representation of distinguishing characteristics of the 

 pupae of the different genera and subgenera (left side of midline shows the left 

 dorsal pattern; right side of midline shows the left ventral pattern) : i, Gigan- 

 todax aquamarensis ; 2, Cnephia aguirrei; 3, Simulium (Dyarella) ruhicundulum ; 

 4, S. (Notolepria) exiguum; 5, S. (Lanea) doumsi; 6, S. (Hearlea) micro- 

 branchiuni ; 7, S. (Simulium) jacumbae; S, S. (Eusimidiimi) atireum; 9, S. 

 (Byssodon) benjamini. 



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