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Statements

Subject Item
n2:RIV%2F60077344%3A_____%2F12%3A00376981%21RIV13-GA0-60077344
rdf:type
n7:Vysledek skos:Concept
rdfs:seeAlso
http://onlinelibrary.wiley.com/doi/10.1111/j.1365-3032.2011.00817.x/pdf
dcterms:description
The effects of tebufenozide, a nonsteroidal agonist of ecdysone, on egg development and reproduction in the anautogenic mosquito Culex quinquefasciatus Say (Culicidae, Diptera) are examined. The study population originates from Hyderabad, India. A dose-dependent toxicity is observed when varying concentrations (10 ěg L1 to 10 pg L1 ) of a flowable formulation of tebufenozide, known as Mimic 2F, are applied to first-instar larvae in water. The median lethal dose (LC50) against larvae is very low at 1.29 ng L1 H2O. Doses below the LC50 induce vitellogenesis in the females that subsequently emerge, and these females lay eggs autogenically (without blood feeding). By comparison, doses higher than the LC50 inhibit ovarian development. There is a gradual degeneration of the ovaries, and the females die approximately 20 days after imaginal ecdysis without commencing vitellogenesis. The results are discussed in relation to the endocrine and nutritional regulation of vitellogenesis in C. quinquefasciatus, and the possibility of using tebufenozide to regulate populations of some species of mosquito. The effects of tebufenozide, a nonsteroidal agonist of ecdysone, on egg development and reproduction in the anautogenic mosquito Culex quinquefasciatus Say (Culicidae, Diptera) are examined. The study population originates from Hyderabad, India. A dose-dependent toxicity is observed when varying concentrations (10 ěg L1 to 10 pg L1 ) of a flowable formulation of tebufenozide, known as Mimic 2F, are applied to first-instar larvae in water. The median lethal dose (LC50) against larvae is very low at 1.29 ng L1 H2O. Doses below the LC50 induce vitellogenesis in the females that subsequently emerge, and these females lay eggs autogenically (without blood feeding). By comparison, doses higher than the LC50 inhibit ovarian development. There is a gradual degeneration of the ovaries, and the females die approximately 20 days after imaginal ecdysis without commencing vitellogenesis. The results are discussed in relation to the endocrine and nutritional regulation of vitellogenesis in C. quinquefasciatus, and the possibility of using tebufenozide to regulate populations of some species of mosquito.
dcterms:title
Autogeny induced by a nonsteroidal ecdysone agonist tebufenozide in the mosquito Culex quinquefasciatus Autogeny induced by a nonsteroidal ecdysone agonist tebufenozide in the mosquito Culex quinquefasciatus
skos:prefLabel
Autogeny induced by a nonsteroidal ecdysone agonist tebufenozide in the mosquito Culex quinquefasciatus Autogeny induced by a nonsteroidal ecdysone agonist tebufenozide in the mosquito Culex quinquefasciatus
skos:notation
RIV/60077344:_____/12:00376981!RIV13-GA0-60077344
n7:predkladatel
n8:ico%3A60077344
n4:aktivita
n15:Z n15:P
n4:aktivity
P(GA522/08/1407), Z(AV0Z50070508)
n4:cisloPeriodika
2
n4:dodaniDat
n12:2013
n4:domaciTvurceVysledku
n11:9913572 n11:2570998
n4:druhVysledku
n19:J
n4:duvernostUdaju
n17:S
n4:entitaPredkladatele
n6:predkladatel
n4:idSjednocenehoVysledku
124164
n4:idVysledku
RIV/60077344:_____/12:00376981
n4:jazykVysledku
n20:eng
n4:klicovaSlova
autogeny; histology; RH-5992
n4:klicoveSlovo
n9:RH-5992 n9:histology n9:autogeny
n4:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n4:kontrolniKodProRIV
[EFAAE631813E]
n4:nazevZdroje
Physiological Entomology
n4:obor
n16:ED
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
2
n4:projekt
n21:GA522%2F08%2F1407
n4:rokUplatneniVysledku
n12:2012
n4:svazekPeriodika
37
n4:tvurceVysledku
Gelbič, Ivan Rozsypalová, Petra
n4:wos
000304091500003
n4:zamer
n5:AV0Z50070508
s:issn
0307-6962
s:numberOfPages
8
n13:doi
10.1111/j.1365-3032.2011.00817.x