labial palp

labial palp

[′lā·bē·əl ¦palp]
(invertebrate zoology)
Either of a pair of fleshy appendages on either side of the mouth of certain bivalve mollusks.
A jointed appendage attached to the labium of certain insects.
References in periodicals archive ?
12 mm); with a hair-like sencillium medially; labium sub-rectangular with two small sensilla ventromedially and six peg-like spines dorsodistally, two hair-like sensilla ventrodistally near the base of each palp; labial palp with small sensillum near origin of 1st segment (0.
aegypti (12,16,18,20), on the sensory structures present in the antenna, maxillary palp, labial palp, tarsi and ovipositor; whereas information on the studies of sensillary systems in the Asian tiger mosquito, Ae.
Percent Cover of Labial Palp Sr/Ca Red Discoloration (mmol/mol) El Capitan 11 (3, n = 178) 1.
Analysis of the mature larva revealed structures that corresponded generally to that expected for Dytiscus, including secondary (pseudo-) segmentation of the proximal labial palp.
Coloration, from reddish to dark-brown, head reddish-dark brown, antennae red-brown, maxillary palp and labial palp red-brown, mandible red-brown, pronotum from reddish to dark-brown, elytra red-brown, legs red-brown, body ventral from black to dark-brown.
01 mm) and secondarily segmented; labium rounded distally and protruding well beyond origins of palps, hair-like sensilla arising near base of each palp, small cone-like sensilla along distal rounded edge, ligula prominent with a shallow distal bifurcation with each short branch supporting a prominent sensillum, proximal segment of labial palp with lateral scale-like spinulae, first segment 0.
012 mm; n = 8) on the ventral region of the labium; labial palp an oval elevation (h = 0.
Labium rectangular, about 75 pm wide, with 1 setaceous sensillum on each side and sparse clusters of spinules; labial palp a round elevation with 1 basiconic sensillum and 1 enclosed sensillum.
In first- and second-instar the labial palp is a group of sensilla.
Labial palp with 5 papillae and 1 lateral process surpassing the E papilla.