5. HAMULI
6. FRENULUM
7. MEMBRANOUS WINGS
Membranous wings
are thin and more or less transparent, but some are darkened. Examples:
Dragonfiles and damselflies (order Odonata), lacewings (order Neuroptera), flies (order
Diptera), bees and wasps (order Hymenoptera), termites (order Isoptera). Note the
paleopterous wing conditions of the damselflies and dragonfly to the right and below and the
neopterous wing conditions of the other insects.
Insect Morphology and Systematics
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