cribellum


Also found in: Encyclopedia, Wikipedia.
Related to cribellum: Calamistrum, colossus

cribellum

(krɪˈbɛləm)
n, pl -la (-lə)
(Zoology) a sievelike spinning organ in certain spiders that occurs between the spinnerets
[C19: New Latin, from Late Latin cribellum, diminutive of Latin cribrum a sieve]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Mentioned in ?
References in periodicals archive ?
(Araneae: Austrochilidae): Notes on the transformation of the anterior median spinnerets into the cribellum. Israel Journal of Entomology 47:21-33.
Sexual dimorphism in the spinning apparatus of Allocosa senex (Araneae: Lycosidae), a wolf spider with a reversal in typical sex roles
Cribellar threads derive their stickiness from thousands of fine, looped fibrils that are produced by the spigots of a cribellum spinning plate located at the posterior of the spider's abdomen.
Testing adaptive radiation and key innovation hypotheses in spiders
The reduced cymbium, feathery setae, lack of tarsal macrosetae and wide cribellum, among other characters, suggest that the specimens from Coahuila belong to Prithinae, one of the two subfamilies of Filistatidae (see Gray 1995; Magalhaes & Ramirez 2017).
A new, relictual Antilloides from Mexican caves: first mainland record of the genus and revised placement of the fossil Misionella didicostae (Araneae: Filistatidae)
Cribellum of female obviously divided and narrower than the width of anterior lateral spinnerets.
Revision of the spider genus Taira (Araneae, Amaurobiidae, Amaurobiinae)
The lack of cribellate threads on the sheet of juvenile spiders (2nd to 6th instar) may either represent an ancestral condition, an undeveloped condition of the cribellum apparatus, or both.
Ontogenetic changes in web architecture and growth rate of Tengella radiata (Araneae, Tengellidae)
Some anatomical aspects of Hypochilus thorelli with special reference to the calamistrum and cribellum. Symposia of the Zoological Society of London 42:417-422.
Comb-hairs on the fourth tarsi in pholcid spiders (Araneae, Pholcidae)
Griswold (1990), the author who most recently tried to define Amaurobiidae, defines the family as having a divided cribellum, the simple, sclerotized retrolateral and dorsal tibial processes on the male palp, and two rows of metatarsal and a single row of tarsal trichobothria (sensu Lehtinen 1967).
Himalmartensus, a new genus of the spider family Amaurobiidae from Nepal (Araneae)

Dictionary browser ?
Full browser ?