• Home
• Key to Nymph Families
• Key to Adult Families
• Checklist
• References
• Terms
• Aquatic Macros

1.         Abdominal segments 1-7 with ventral gill tufts at base of lateral filaments. . . . . . . . . . . . . . . . .             . .            . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Corydalus cornutus Lateille

           Abdominal gill tufts absent. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2.         Last pair of abdominal spiracles (segment 8) at the apex of 2 long dorsal respiratory tubes                        extending beyond prolegs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Chauliodes Lateille

            Last pair of abdominal spiracles not at apex of long respiratory tubes. . . . . . . Nigronia Banks

 

[Home], [Back to Nymph Families]

Key to Corydalidae Nymphs Genera

From Flint, Evans & Neunzig, 2008