haustellum


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haustellum

/haus·tel·lum/ (haw-stel´um) pl. haustel´la   [L.] a hollow tube with an eversible set of five stylets, by which certain ectoparasites, e.g., bedbugs and lice, attach themselves to the host and through which blood is drawn up.

haustellum

(hô-stĕl′əm)
n. pl. haustella (hô-stĕl′ə)
A proboscis in certain insects that is used for sucking liquids.

haus·tel′late (hô-stĕl′ĭt, hô′stə-lāt′) adj.
References in periodicals archive ?
The haustellum (= proboscis) is usually reduced or absent, and labial palps often appear truncate at the apex because the small apical segment is reflexed, relative to the long penultimate segment, and is often obscured by scales.
cecilia is unusual both in the New World Natada complex and in limacodids for having a haustellum present in the male and absent in the female.