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  • ICAR and TNAU E-Course Summarized

    Summarized Notes
  • Plumose type of antennae is found in:

    Question: Plumose type of antennae is found in:

    Options:

    Female Mosquito
    Male Housefly
    Aphids
    Male Mosquito

    ✅ Explanation:Plumose antennae, characterized by having many fine hairs resembling feathers, are primarily found in male mosquitoes.

    • Types of antennae:
    -Setaceous: (Bristle like) Size of the segments decreases from base to apex. e.g. Leafhopper, Dragonfly, Damselfly.
    -Filiform: (Thread like) Segments are usually cylindrical. Thickness of segments remains the same throughout. e.g. Grasshopper.
    -Moniliform: (Beaded) Segments are either globular or spherical with prominent constriction in between. e.g. Termite.
    -Serrate: (Saw like) Segments have short triangular projections on one side. e.g. Longicorn beetle.
    -Unipectinate: (Comb like) Segments with long slender processes on one side. e.g. Sawfly.
    -Bipectinate: (Double comb like) Segments with long slender lateral processes on both sides. e.g. Silkworm moth.
    -Clavate: (Clubbed) Antenna enlarges gradually towards the tip. e.g. Blister beetle.
    -Capitate: (Knobbed) Terminal segments become enlarged suddenly. e.g. Butterfly.
    -Lamellate: (Plate like) Antennal tip is expanded laterally on one side to form flat plates. e.g. Lamellicorn beetle.
    -Aristate: The terminal segment is enlarged. It bears a conspicuous dorsal bristle called arista. e.g. House fly.
    -Stylate: Terminal segment bears a style-like process. e.g. Horse fly, Robber fly.
    -Plumose: (Feathery) Segments with long whorls of hairs. e.g. Male mosquito.
    -Pilose: (Hairy) Antenna is less feathery with few hairs at the junction of flagellomeres. e.g. Female mosquito.
    -Geniculate: (Elbowed) Scape is long; remaining segments are small and are arranged at an angle to the first resembling an elbow joint. e.g. Ant, weevil, and honey bee.

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