haustellum

haustellum — noun

1. a long feeding tube on some insects that lets them pierce skin or plants and dra

1.名詞C2
釋義

a long feeding tube on some insects that lets them pierce skin or plants and draw in liquid food such as blood or sap

例句

Under the microscope, the mosquito's haustellum looked like a bundle of thin needles.

mosquito's haustellum under a microscope

The aphid pushed its haustellum into the stem and began feeding.

push a haustellum into a stem

同義詞
  • proboscis

    is a broader term for a long feeding organ and is less technical

  • mouthpart

    is much wider and can describe many structures around an insect's mouth

  • stylet

    often means one thin piercing part rather than the whole feeding organ

文法句型

the mosquito's haustellum pierces skin

an aphid inserts its haustellum into a stem

a damaged haustellum cannot draw sap

用法筆記

Used mainly in biology and entomology. In everyday English, people more often say proboscis or mouthpart unless they need this precise technical term.