Fly Fishing Quick Tip – Entomology

By May 7, 2014 No Comments

Most caddisfly larvae are underwater architects and use silk, excreted from salivary glands near their mouths, for building protective cases.  Adult caddisflies are small moth-like insects having two pairs of hairy membranous wing.  They live in a variety of aquatic habitats such as: rivers, streams, lakes, ponds, and canals.   Caddisfly Larvae Caddis Larvae Caddisfly Adult Caddis 2- Mayflies – Mayflies are aquatic insects whose larval stage usually lasts one year in fresh water. The adults are short-lived, from a few minutes to a few days, depending on the species.  The larval stage lives in weeds, decaying vegetation, or rocks and has a three-forked tail.  The wings are membranous, with extensive vnation, and are held upright like those of a butterfly. The hindwings are much smaller than the forewings, and may be vestigial or absent. The second segment of the thorax, which bears the forewings, is enlarged, holding the main flight muscles. Mayfly Larvae Mayfly Larvae Mayfly Adult download 3- Stoneflies – Stoneflies have a generalized anatomy, with few specialized features. They have simple mouth parts with chewing mandibles, long, multiple-segmented antennae, large compound eyes, and two or three ocelli. The legs are robust, with each ending in two claws. The abdomen is relatively soft, and may include remnants of the nymphal gills even in the adult. Both nymphs and adults have long, paired cerci projecting from the tip of their abdomens. Stonefly Larvae Stonefly larvae Stonefly Adult Stonefly                    ]]>

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