palp

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palp

[palp]
(invertebrate zoology)
Any of various sensory, usually fleshy appendages near the oral aperture of certain invertebrates.
References in periodicals archive ?
The free cholesterol of labial palps presented an important depletion in females at the beginning of the spring, with values down to 6% of the TC (Table 4A).
The courting male stopped frequently to pass his palps and sometimes his legs through his mouthparts before approaching her again; occasionally the male rubbed his palps against the sheet after grooming his palps with his chelicerae.
Osedax roseus is most similar to Osedax rubiplumus in the organization of the palps and pinnules and root structure.
However, few details on these structures were not provided by the author, such as distribution of spinules and setae, and number of sensilla on antennae and palps.
Palps yellow, but basal segment in part brown, and as in Fig.
Despite the 11-mm range in total length observed, specimen morphology was consistent from one specimen to the next, differing only in the length of the peristomial palps and possibly the number of segments in region C (+1).
helena have relatively small maxillary palps in comparison to other described Solenopsis larvae.
after one or two quick jerks with his palps succeeds in inserting both simultaneously.
2014); and the sensory structures present on the maxillary and labial palps of Helicoverpa armigera (Hubner) (Noctuidae), which are responsible for chemoreception (Keil 1996; Zhao et al.
2[degrees]) (Table II); maxilla with obscure cardo bearing one prominent sensillum; stipes short, fingerlike, ventrolateral surface with two prominent sensilla, medial surface without sensilla; galea absent, maxillary palps, 1st with basal spinule and distal pore, 2nd with two prominent sensilla, 3rd with one prominent sensillum; labium, prementum small, trapezoidal, narrowest posteriorly, lateral margins distant from medial margins of maxillary stipes, three prominent distolateral hair-like sensilla near origin of each labial palp, two small basal spines, lateral spinules present; postlabium relatively short, broad based, separated from maxillary bases by two low but prominent protuberances, one small sensillum between each protuberance and stipes.