Caddisfly
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The caddisflies are a group of insects with aquatic larvae and terrestrial adults. There are approximately 14,500 described species, most of which can be divided into the suborders Integripalpia and A
Trichoptera caddisfly 1
Eocene fossil in Baltic amber, Lithuania (44mya)
Larva with portable case of rock fragments
Larva emerging from case made of plant material
Fly
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A fly is an insect of the order Diptera, named for the single pair of wings. The hindwings have evolved into halteres, organs that sense rotation, giving flies precise control of their flight. Diptera
Caddisfly
…cladogram of external relationships, based on molecular analysis, shows the order as a clade, sister to the Lepidoptera, and more distantly related to the Diptera (true flies) and Mecoptera (scorpionflies). The cladogram of relationships within the order is based on a 2002 molecular phylogeny using ribosomal RNA…
Bessenbandzweefvlieg Vrouwtje
An Anthomyiid species showing characteristic dipteran features: large eyes, small antennae, sucking mouthparts, single pair of flying wings, hindwings reduced to clublike halteres
Fossil brachyceran in Baltic amber. Lower Eocene, c. 50 million years ago
Fossil nematoceran in Dominican amber. Sandfly, Lutzomyia adiketis (Psychodidae), Early Miocene, c. 20 million years ago