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  • ICAR and TNAU E-Course Summarized

    Summarized Notes
  • Bipectinate type of antenna is found in:

    Question: Bipectinate type of antenna is found in:

    Options:

    Grasshopper
    Honey bee
    Moths (specifically, some male moths)
    Male mango mealy bug

    ✅ Explanation:Bipectinate antennae are characterized by having two rows of comb-like projections on each segment, resembling a double comb.

    • Why the other options are incorrect:
    -Grasshopper: Grasshoppers typically have short, thread-like (filiform) antennae.
    -Honey bee: Honey bees have elbowed (geniculate) antennae with flattened segments.
    -Male mango mealy bug: Male mango mealy bugs often have capitate antennae.

    • Common Types Of Insect Antennae, Along With Examples:
    -Setaceous: Slender with many fine segments, tapering towards the tip.
    -Examples: Cockroach, dragonfly, damselfly
    -Serrate: Segments have saw-like edges on one side.
    -Examples: Some beetles, rove beetles
    -Pectinate: Segments resemble a comb, with long projections on one side.
    -Examples: Sawflies, moths
    -Geniculate: Bent or elbowed at a specific point, often with distinct segments in each part.
    -Examples: Honeybee
    -Lamellate: Segments are flattened and plate-like, often resembling a fan.
    -Examples: Scarab beetles, stag beetles
    -Plumose: Segments have fine, hair-like branches resembling feathers.
    -Examples: Mosquitoes
    -Aristate: Possesses a bristle-like extension (arista) arising from the flagellum.
    -Examples: Houseflies
    -Stylate: Has a long, slender stylus projecting from the base of the antenna.
    -Examples: Crane flies
    -Stylopate: Highly modified, reduced antennae in male parasitic wasps.

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