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Basic Insect Identification
Pictured below are both immature (larva or pupa) and mature
(adult) forms of each of the major insect species we cover in this course.
Beneath each image is a key feature that fly fishers often use to make a quick
identification of the natural insect as to its class. |
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| Insect Type |
Immature Insect Form (commonly, "nymphs") |
Mature Insect Form (commonly, "adults") |
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| 2 or 3 tails | upright "sailboat" wings | |
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| find cased larva under stones | moth-like, swept back, "tent" wings | |
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| crawl amongst stones | wings flat over back | |
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| "prehistoric" appearance | "helicopter" wings | |
