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n. pl. haus·tel·la (hô-stĕl′ə)
A proboscis in certain insects that is used for sucking liquids.

[New Latin, diminutive of Latin haustrum, scoop on a water wheel, from haurīre, to draw up.]

haus·tel′late (hô-stĕl′ĭt, hô′stə-lāt′) adj.


n, pl -la (-lə)
(Zoology) the tip of the proboscis of a housefly or similar insect, specialized for sucking food
[C19: New Latin, diminutive of Latin haustrum device for drawing water, from haurīre to draw up; see exhaust]
hausˈtellate adj


(hɔˈstɛl əm)

n., pl. haus•tel•la (hɔˈstɛl ə)
(in certain crustaceans and insects) an organ or part of the proboscis adapted for sucking blood or plant juices.
[1810–20; < New Latin, diminutive of Latin haustrum scoop on a water wheel, derivative of haus-, variant s. of haurīre to scoop up, draw]
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References in periodicals archive ?
Proboscis short, with relatively slender haustellum and small labella; palpi slender, slightly longer than haustellum.
Head: Vestiture of vertex appressed, scales piliform, directed toward frons; ocelli and chaetosemata absent; antennae filiform, without pecten; flagellomeres without scales ventrally, lamination not as clear as in Urodus; labial palpus 1st segment 1/2 as long as 2nd; 2nd segment with ventral scale tufts, denser distad; 3rd segment with obtuse apex, as long as 2nd; maxillary palpus very short, 1-segmented; haustellum naked, 2 x longer than labial palpus.