sclerite


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sclerite

(sklîr′īt′)
n.
A chitinous or calcareous plate or similar part of an invertebrate, especially one of the hard outer plates forming part of the exoskeleton of an arthropod.

sclerite

chitinous plates separated by thinner membranes in the exoskeleton of arthropods.
References in periodicals archive ?
There was no overlap in the length and width of the pharyngeal sclerite and mouth hooks between instars of B.
On the other side the subtegulum is attached to the sclerite of the middle part of the bulbus (tegulum) via the middle hematodocha.
20, the relationships of the genera in the clade are unresolved, except for Goja and Ianthorntonia; the clade is monophyletic, supported by two synapomorphies: endophallus radular or with sclerites (5-1), and external parameres membranous or well defined projections (7-1).
Four types of epibiotic and endocuticular bacteria on sclerites and in body mantle cuticle have been demonstrated as symbionts in H.
19) Convoluted sclerites on phallomeres, three states: right and left (0), left (1), right (2).
Ventral arch (VA) articulating with ventral margin of mouth hook, sclerotized, two foramens, anterior margin with 20-24 denticles, posterior margin V-shaped; epistomal sclerite (ES) bilobed, welded to both parastomal bars (PB), all C-shaped; parastomal bars posteriorly fused with pharyngeal sclerites.
Medium to large flies; male holoptic; lower calypter narrow, rounded posteriorly, with anteromedian angle distinctly lateral to base of scutellum, not directed towards the scutellum; subcostal sclerite and basal section of stein vein bare (remigium); apical tip ofparaphallus with denticles.
The taxonomy and systematics of the group have been particularly difficult because species descriptions and higher level phylogenetics have been based on phenotypically plastic traits such as colony form and sclerite shape.
2009b) has recently confirmed that the eunuch phenomenon typically entails initial sclerite damaging during copulation, followed by voluntary post-copulation palpal removal, corroborating only two previous observations on Nephilengys (Robinson & Robinson 1980).
The endophallus is inserted through the female ovipositor duct and vagina, and the apical sclerite lay at the mouth of the long, thin, and convoluted spermathecal duct.
Proximal sclerite usually rod- or vase-shaped, longer than other sclerites, which may be barrel-shaped to teardrop-shaped, slightly imbricated to offset, barely connecting with adjacent sclerites, and diminishing in size distally.