Cyrtodiopsis whitei

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August undefined, 2024

WebJun 28, 2008 · Spermatophores occur in four out of five investigated genera, in Cyrtodiopsis, Diasemopsis, Teleopsis, and in Sphyracephala, which is positioned close to the base of the family. Within the genus Diopsis the spermatophore is subject to reduction. Spermatophore size and copulation duration are positively correlated across the species. WebCyrtodiopsis whitei: Eye stalk showing three segments of prominently towards the subapical band in the median antenna and a long bristle, arista, arising from the third segment. …

Male eye span in stalk-eyed flies indicates genetic quality …

WebMay 14, 2001 · In contrast to D. melanogaster, C. whitei shows a small, neck-like constriction between the optic lobes and the rest of the brain. By 20% of pupal development, the divergence is more apparent, and by 30%, the future eye stalk and optic nerve of C. whitei has started to form. WebIn the stalk-eyed fly, Cyrtodiopsis whitei (Diptera, Diopsidae), sperm precedence is influenced by the presence of sex chromosome meiotic drive. When drive-carrying males compete with non-driving males for fertilizations within a female, the number of progeny sired by drive males is significantly fewer than predicted by sperm mixing alone. can a bank draft be fake

Taxon: Cyrtodiopsis whitei

WebHere we describe how sperm development in the stalk-eyed fly, Cyrtodiopsis whitei, influences progeny sex proportion, in order to determine if a common developmental mechanism could cause meiotic drive in these distantly related taxa. Because age has been found to affect the degree of segregation distortion in some Drosophila, we tested flies … http://drosophila.biology.kent.edu/users/plorch/LorchPdfs/Lorchetal1993.pdf WebBy means of field observations and laboratory experiments on the Malaysian stalk-eyed fly Cyrtodiopsis whitei we examined the consequences of variation in cop-ulation duration for sperm competition. In this sexually dimorphic species over 90 % of all copulations occur in nocturnal aggregations with from one to four males and up to 24 females. fishbone into the mosh

Taxonomy browser (Teleopsis whitei) - National Center for …

Coevolution of male and female genitalia in stalk-eyed flies

WebIn the stalk-eyed fly, Cyrtodiopsis whitei (Diptera, Diopsidae), sperm precedence is influenced by the presence of sex chromosome meiotic drive. When drive-carrying males compete with non-driving males for fertilizations within a female, the number of progeny sired by drive males is significantly fewer than predicted by sperm mixing alone. WebChytridiomycosis is a disease caused by two pathogenic chytrid fungi, Batrachochytrium dendrobatidis (Bd) and B. salamandrivorans (Bsal). It infects the skin of numerous … fish bone in throatWebRecent molecular studies have shown that the genera Teleopsis and Cyrtodiopsis are in fact paraphyl-etic with respect to each other, form a monophyletic group and should be considered as a single genus (Baker ... Diopsis whitei Curran 1936: 1. Diagnosis: IVB length up to 4.5 times as long as width of eye stalk in the middle. Thorax pollinose on ... fish bone grill

"WebJul 26, 2024 · Systematics and ecology of Cyrtodiopsis whitei (Curran, 1936), initially described in brief from a tropical dry deciduous forest in eastern India as Diopsis whitei, remained obscure for want of... " - Cyrtodiopsis whitei

Cyrtodiopsis whitei

Eye stalks or no eye stalks: A structural comparison of pupal ...

WebJul 1, 2001 · Cyrtodiopsis whitei males are not fertile until at least three weeks after eclosion and can survive for six months or more in the laboratory and field ( Wilkinson & Dodson, 1997 ). Consequently,... WebSep 1, 1983 · Cyrtodiopsis whitei Curran lives in the tropical rainforest of Malaysia. We describe a number of aspects of its morphology and biology, some functional properties of the eye, and the ritualized fights between males, by which harems are acquired. The evolutionary significance of the eyestalks is discussed: they represent structures …

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Webeyed ﬂy, Cyrtodiopsis whitei, inﬂuences progeny sex proportion, in order to determine if a common developmental mechanism could cause meiotic drive in these distantly related taxa. Because age has been found to a•ect the degree of segregation distortion in some Drosophila, we tested ﬂies from six to 26 weeks of age. WebAbstract. In the stalk-eyed fly Cyrtodiopsis whitei (Diopsidae; Diptera), the relatively long optic nerve develops within the tight lumen of a very short eyestalk. Axonal growth is …

WebTwo species, Cyrtodiopsis whitei and C dahnanni, exhibit extreme sexual dimorphism in eye span, with eye stalks exceeding body length in large males. In contrast, C qiunqutguttata of both sexes possess short eye stalks. ... In addition, female C whitei and C. dalmanm exhibited shorter copulations, mated more frequently, and rejected fewer ... WebSperm development, age and sex chromosome meiotic drive in the stalk-eyed fly, Cyrtodiopsis whitei. The cytological basis of X chromosome meiotic drive or sex ratio …

WebCyrtodiopsis whitei. NCBI BLAST name: flies Rank: species ... (Diptera) based on morphological and DNA sequence data" Insect Syst. Evol. 33: 325-336 (2002) [Cyrtodiopsis synonymized with Teleopsis] External Information Resources (NCBI LinkOut) LinkOut: Subject: LinkOut Provider: Cyrtodiopsis whitei Curran, 1936: …

WebCyrtodiopsis whitei: Male genitalia-ventral view of hypandrium and associated structures. Source publication Taxonomic status and additional description of White’s Stalked-eyed …

WebSystematics and ecology of Cyrtodiopsis whitei (Curran, 1936), initially described in brief from a tropical dry deciduous forest in eastern India as Diopsis whitei, remained obscure … can a bank foreclose on a house in probateWebTaxonomic status and additional description of White’s Stalked-eyed Fly Cyrtodiopsis whitei(Curran, 1936) (Diptera: Diopsidae) from India with a key to the allied species and note on its habitat. Journal of Threatened Taxa10(8): 12035–12043; http://doi.org/10.11609/jott.3272.10.8.12035-12043 Copyright:© Agarwala 2024. fish bone jewelryWebexperiments on the Malaysian stalk-eyed fly Cyrtodiopsis whitei we examined the consequences of variation in cop- ulation duration for sperm competition. In this sexually dimorphic species over 90% of all copulations occur in nocturnal aggregations with from one to four males and up to 24 females. can a bank finance a carWebCyrtodiopsis whitei (Diopsidae) from Malaysia is one of the stalk-eyed flies which show a marked sexual dimorphism ofeye spans. The particularly long eye stalks of male flies are to be regarded as an epigamic feature. Field observations show the males' eye spans to be correlated with the possession of a harem and with that harem's size. The question … can a bankers draft be cancelledWebCyrtodiopsis is a genus of stalk-eyed flies in the family Diopsidae. Species. Cyrtodiopsis africana Shillito, 1940 (Uganda, Congo) Cyrtodiopsis concava Yang & Chen, 1998 … fish bone in throat ct scanWebThe Malayan stalk-eyed flyCyrtodiopsis whitei, of the family Diopsidae, exhibits sexual dimorphism in that the eyestalk span of the males exceeds the length of the body, … fishbone is also known asWebNov 1, 1997 · We report results of genetic analyses that demonstrate that extreme female-biased sex ratios in two sister species of stalk-eyed flies, Cyrtodiopsis dalmanni and C. … can a bank form a reit