cribellum

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Related to Cribellate: Cribellum, Calamistrum, Ecribellate

cribellum

[krə′bel·əm]
(invertebrate zoology)
A small accessory spinning organ located in front of the ordinary spinning organ in certain spiders.
A chitinous plate perforated with the openings of certain gland ducts in insects.
References in periodicals archive ?
Of these, we included in the analysis only cribellate families because the basal group of the Orbiculariae, the Deinopoidea, produce cribellar thread.
As documented in this paper's introduction, vertically oriented, adhesive orb-webs possess complementary functional properties that confer advantages over horizontally oriented, cribellate orb-webs at every phase of prey capture.
Webs of young cribellate and non-cribellate spiderlings have been studied in Orbiculariae orb-weaving spiders (Eberhard 1977, 1985, 1986).
The family is of interest because it is a cribellate member of the Lycosoidea.
It seems that the cribellate adhesive threads form a strong and resistant net with the broken radius, inhibiting the spider from pulling the broken radius with reeling movements.
1994) have all been investigated as features that potentially have enhanced the fitness of viscid orb weavers as opposed to the primitively cribellate deinopoids.
Although recluse spiders are ecribellates, their silk is dry and shares several characteristics of cribellate silk (Knight & Vollrath 2002); hence, prey capture is via entanglement not adhesion.
Beitrage zur Spinnenfauna von Nordtirol--2: Orthognathe, cribellate und haplogyne Familien, Pholcidae, Zodariidae, Mimetidae und Argiopiformia (ohne Linyphiidae s.
The web consists of many pairs of parallel support lines overlain with zigzag threads of cribellate silk that function to entangle prey (Main 1976; Opell 1999).
Nocturnal ecology and water relations of the British cribellate spiders of the genus
This web-decorating behavior is seen in a number of Araneidae, spanning 15 genera and occurring in both ecribellate and cribellate spiders (Scharff & Coddington 1997).
These small to medium-sized, cribellate spiders represent one of the most basal branches of the Haplogynae (Platnick et al.