trichobothrium

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trichobothrium

[¦trik·ə′bäth·rē·əm]
(invertebrate zoology)
An erect, bristlelike sensory hair found on certain arthropods, insects, and other invertebrates.
References in periodicals archive ?
The family is characterised by the absence of trichobothria on the antennae; the presence of mostly symmetrical, unsegmented chitinous hooks at tip of abdomen; a maximum of four placoid sensilla on terminal article of antennae; thorax with two pairs of spiracles on sternites II and III; abdominal sternite 1 with a pair of styles and a pair of lateral subcoxal organs.
Descriptive terminology follows Mattoni & Acosta (2005) for hemispermatophores; Vachon (1974) for trichobothria; Francke (1977) for metasomal carinae, abbreviated as follows: DL: dorsolateral; LIM: lateral inframedian; LSM: lateral supramedian; LM: lateral median; VSM: ventral submedian; VL: ventrolateral; VM: ventromedial!; and Prendini (2000) for pedipalp carinae, abbreviated as follows: DI: dorsal internal; DE: dorsal external; VI: ventral internal; VE: ventral external;
Dorsal face of all tarsi and cymbium with two irregular longitudinal rows of very short claviform trichobothria. Paired tarsal claws with teeth (0-8), third claw absent in all tarsi.
4) with proximal half strongly sclerotized, sensory fields circular, with ten trichobothria on basal rosettes, and a marginal trichobothrium without basal rosette, distal half also sclerotized, bearing a long mesal prong.
A grasshopper nymph produces vibrations while walking and flies produce noise and vibrations, which might be detected more easily by scorpion trichobothria (Brownell, 2001).
Spiracles on abdominal segments 2-7; a pair of trichobothria on abdominal segments 3-6, mesad of spiracular line (Fig.
Carapace with shallow constriction, slightly higher in cephalic part; surface with punctured sculpture; carapace dark brown with black eye field; covered in thin long colourless hairs, with scattered white scales among them and long bristles near eyes; two long trichobothria in constriction.
Representatives of the genus Ischnocolus can be distinguished from all other Ischnocolinae genera by the clavate (club-shaped) tarsal trichobothria, with small barbs on the surface, that are arranged in a short median apical row and by the maxillae having a lighter colour on the prolateral edge on the ventral surface than on the retrolateral edge, in both live and preserved specimens.
The trichobothria are capitates, partly or not covered by lateral margins of the prodorsal shield.
Paraprocts of two pieces, the proximal one joining the clunium, sensory fields with 14 trichobothria on basal rosettes, and one marginal trichobothrium without basal rosette; distal piece with a small sclerotized prong, distally truncate (Figs.
The structure, distribution and taxonomic importance of trichobothria in the Miridae (Hemiptera).