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Chironomus Decorus
''Chironomus'' is a genus of nonbiting midges in the subfamily Chironominae of the bloodworm family, Chironomidae, containing several cryptic species complex, cryptic species that can only be distinguished by experts based on the characteristics of their polytene chromosome, giant chromosomes. Description Adult ''Chironomus'' are midges with the Prothorax, pronotum widest in the middle and bearing a notch, the head usually bearing a pair of small tubercles above the Antenna (biology), antennal bases, the antennal flagellum of males having 11 segments, and the male genitalia has inferior volsella large and larger than superior volsella. They range from 5 to 13 mm in length. Larva, Larvae are red and usually have tubes on the side or bottom of the eighth abdominal segment. These features are not unique to ''Chironomus'', also being found in some related genera. Adult males can be distinguished from females by their feather-like antennae. Behaviour When at rest, adults often rai ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chironomus Plumosus
''Chironomus plumosus'', also known as the buzzer midge, is a species of Chironomidae, nonbiting midge (Chironomidae) that occurs throughout areas in the Northern Hemisphere. Description Adult Adults are pale green with brown legs and grow to . Males have feathery antenna (biology), antennae, while females' antennae are sleek. A dark brown band is seen at the end of each abdominal segment. Adults of the sibling species ''C. muratensis'' and ''C. nudiventris'' cannot be distinguished from ''C. plumosus'' based on morphological characters. Immature The larvae are called bloodworms because some larvae are bright red, but they can also be found in brown and almost black. When the larva pupate, they drift towards the surface, making them vulnerable to many types of fish. Other common predators include the Notonecta glauca, common backswimmer (''Notonecta glauca''), Gerris lacustris, common pondskater (''Gerris lacustris''), common toad (''Bufo bufo''), lesser water boatman (''Corixa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |