chaetotaxy


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chaetotaxy

the manner in which bristles and chaetae are arranged in insects - often used in keys for identification.
References in periodicals archive ?
Chaetotaxy: prpl absent, 0+2 strong dc, scutal setulae in 4-6 irregular rows between dc lines, with one short but distinct prscut pair; 3 or 4 irregular rows of setulae also between dc and sa lines; 1-2pprn, 1 posthu, 2 ntpl, 1 sa and 1 pa, 1 post ia; 2 pairs of marginal scut setae: one subapical and one basal, no setulae on margin or on disc; anepisternum with 1 strong seta directed backwards at middle of posterior margin, katepisternum with 1 or 2 strong setae at upper posterior corner and a tuft of numerous, fine, long setae at ventral angle.
Body chaetotaxy. S-chaetae subcylindrical, distributed on half body as 10/011/221111 (dorsally) and 11/000/000100 (ventrally) (Figs.
Chaetotaxy: 3 reclinate orb with short setula in front, 2 long ocellars widely spaced almost parallel, 10 fr setulae and a pair of long setae in front of oc triangle; 1 vti and 1 vte, pvt convergent.
The objectives of this study are to describe the mature larva of Copelatus caelatipennis princeps, with an emphasis on chaetotaxy of thoracic appendages, and to assess the life cycle strategy and reproductive habitat requirements of this southeastern population.
Dorsal cephalic chaetotaxy with A3, IL2, IL3, L1 and L2 spinelike, other setae normal, M1-2 absent (Fig.
Chaetotaxy, the presence and arrangement of setae and other sensory structures on the integument of arthropods, has been widely used for systematic and taxonomic studies in a variety of groups, including insects (e.g.
Also, one barbed seta and one nude (instead of 2 nude setae) are present on palp femur, whereas the chaetotaxy of tibia II includes 10 normal setae and 2 solenidia.
2010), which differs from our species by the absence of eyes and a fimbriate anal plate, as well as chaetotaxy. Our specimen fits the Microphthalmus mahensis description; nevertheless we could not observe the internal stylets of the copulatory apparatus, necessary to confirm the specific identity of the specimen (Westheide, 2013).
The prickly blade mapped: Establishing homologies and a chaetotaxy for macrosetae of penis ventral plate in Gonyleptoidea (Arachnida, Opiliones, Laniatores).
Differences were noticed in head sutures, chaetotaxy, male and female terminalia, subgenital plates and male genitalia, also in their body sclerotization, pigmentation and morphometry.
Chaetotaxy. Anterior and Posterior marginal setae absent, first abdominal absent, cephalic setae absent.
Dorsal chaetotaxy and ornamentation similar to female specimens.