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Terms Infusion (Glossary) - v3.10
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C
callus
Plural: calli.
Bare and shining area on the frons, in particular in some groups of orthorrhaphous Diptera, e.g., Tabanidae and (female) Therevidae.
callus
Plural: calli.
Mound-like, rounded or elongate swelling of the exoskeleton (the body surface), especially on the thorax; see: humeral callus, prealar callus, postalar callus.
calypter
The posterobasal portion of the axillary membrane, joining the hind margin of the wing to the thorax, forms two basal lobes called the calypteres (sing. calypter; squamae, squamulae). The proximal lobe, called the lower calypter, begins as a narrow, membranous ligament arising from the furrow between the scutellum and the postnotum and ends where the more distal lobe, the upper calypter, folds sharply over it.

Links: http://en.wikiped.../Calypters
calyptral fold
Fold between the lower calypter and upper calypter.
calyptral fringe
The fringe of hairs along the posterior margin of each calypter.
Calyptratae
Calyptratae is a subsection of Schizophora in the insect order Diptera, commonly referred to as the calyptrate muscoids (or simply calyptrates). It consists of those flies which possess a calypter that covers the halteres, among which are some of the most familiar of all flies, such as the house fly.
Links: Diptera classification
calyptrate
Calyptratae (synonym)
calyptrates
Calyptratae (synonym)
carrot fly
Vernacular name used for Psila rosae (Psilidae), a pest in gardens and farms, and mainly affecting carrot crops but also attacking parsnips, parsley and celery.
Links: http://en.wikiped...Carrot_fly
catalog
catalogue (synonym)
catalogue
An nomenclatorial index that gives a list of taxa with relevant taxonomic literature. Catalogues are prepared for particular regions (zoogeographic regions, countries), particular collections (museum collections or, more restrictive, type collections), or particular taxa (families, genera). The taxa are arranged in a convenient way (either alphabetically or systematically) and reference to the literature for each taxon is given, if necessary supplemented with reference to material in collections. Catalogues usually are prepared to provide a list of all relevant taxonomic literature and nomenclatorial issues pertaining to a taxon or the taxa in a particular collection. Example: Stone, A., et al., 1965. A Catalog of the Diptera of America Corth of Mexico, United States Department of Agriculture, Washington, D.C. Also compare with checklist.

cell cup
posterior cubital cell (synonym)
cercal plate
The plate formed when cerci are usually fused along the midline. This structure is recognized in a number of groups in the Empidoidea and within the group of Anthomyiidae, Fanniidae and Muscidae.
cf.
Latin, compare (with); for example, in respect of a determination: Anthomyia cf. pluvialis means that whilst the specimen compares well with pluvialis the determiner is not quite sure and suggests implicitely to compare it with a specimen with undisputed identification.
cfr.
cf. (synonym)
chaetotaxy
The study of the number and position of setae (bristles, chaetae, hairs) on the insects in systematics. The number, shape and placement of many setae is of big importance during identification and often has systematic value as well.
When using setae while identifying specimens, it is recommended always to check both sides (left and right) in case setae are broken or lost altogether on the side examined firsts. Pinned material is prone to breakage but loss also may occur in living flies, especially on legs. The presence of an 'empty' alveolus may indicate a broke seta.
Links: http://www.ento.c.../fly.html#
checklist
Usually a list of species belonging to a particular taxon (class, order, family, genus, etc.) that are found in a particlar region (zoogeographic region, country, nature reserve, etc.). The species are listed according to a convenient or systematic classification (for example, alphabetically or cladistically). Checklists provide a quick reference, for example while arranging collections, establishing the distribution of species, etc. Example: Beuk, P.L.Th, 2002. Checklist of the Diptera of the Netherlands. KNNV Uitgeverij, Utrecht. pp. 1-448.
Also compare with catalogue.
cheese skippers
Vernacular name used for the family Piophilidae in general or the species Piophila casei in particluar.
Links: http://en.wikiped...Cheese_fly (site checked by Bernhard Merz, Geneva)
chitin
The colourless polysaccharide that is the major component of the insect cuticle or integument.
Links: http://en.wikiped...iki/Chitin.
circumscriptional name
Taxon name used above family-group level (e.g., order or class) which are not ruled by the International Code of Zoological Nomenclature and which are defined by the particular set of members included, not the number of species. A little used term not just relating to the early history of taxonomy but very important for theoretical reasons.

Links: The division I.3. from the book by N. Kluge "MODERN SYSTEMATICS OF INSECTS", Nomina Circumscribentia Insectorum - Catalogue of Circumscriptional Names of Arthropod Taxa.
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Date and time
25 June 2022 22:08
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Last updated: 25.08.2011
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19.06.22 07:42
I can not post an image - I do all right - dont know what to do! Gunther

24.05.22 11:28
Hi! would anyone be able to send on a scan of Delia sanctijacobi redescription from: GRIFFITHS, G.C.D. 1993. Anthomyiidae [part]. In: Flies of the Nearctic Region, 8(2), 10. Thank you!

18.05.22 16:26
Delay, alas, due to Covid related issues. But it will be published !!

18.05.22 16:26
Publication of the English translation of the Fieldguide to Homeodactyla of northwest Europe is due September

14.05.22 07:24
Hi, 3 threads in Eggs, etc should be in adults - possible to change please?

13.04.22 07:52

12.04.22 07:41
cant attach picture to post in forum, what do I do wrong? Sorry Novice question ...

09.01.22 16:56
Hello, I'm looking for literature on chironomid larvae that are able to survive after being entrapped in ice for at least several days . So far I've only found literature on Eretmoptera murphy

11.12.21 16:10
Dematoneura in the gallery should be DeSmatoneura

23.09.21 14:29
All sorted.

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