Table 2 Comparative data for the main morphological features of the known fourth-instar larvae of species of the Atratus Group
From: Revision of the Atratus Group of Culex (Melanoconion) (Diptera: Culicidae)
Feature | Cx. atratus | Cx. comptus n. sp. | Cx. dunni | Cx. ensiformis | Cx. trigeminatus | Cx. zeteki |
|---|---|---|---|---|---|---|
Seta 5-C | Reaching 6-C insertion | Exceeding 6-C insertion | Exceeding 6-C insertion | Exceeding 6-C insertion | Short, not reaching 6-C insertion | Exceeding 6-C insertion |
Comb scales | Subequal in size | Subequal in size | Subequal in size | Different sizes | Different sizes | Subequal in size |
Pecten spines | With large, coarse marginal denticles | Narrow, with smaller, finer marginal spicules | With large, coarse marginal denticles | Long and slender, with fine marginal denticles (serration) | Elongate, with coarse marginal denticles | Short, broad basally and gradually narrowed to apex, with coarse marginal denticles |
Seta 1-S arising dorsolaterally | 4 pairs | 4 pairs | 6 pairs | 4 pairs | 2 pairs | 4 pairs |