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Titolo:
SURVIVAL, FECUNDITY, AND DEVELOPMENT OF DERMATOPHAGOIDES-FARINAE (ACARI, PYROGLYPHIDAE) AT FLUCTUATING RELATIVE-HUMIDITY
Autore:
ARLIAN LG; NEAL JS; BACON SW;
Indirizzi:
WRIGHT STATE UNIV,DEPT BIOL SCI DAYTON OH 45435
Titolo Testata:
Journal of medical entomology
fascicolo: 6, volume: 35, anno: 1998,
pagine: 962 - 966
SICI:
0022-2585(1998)35:6<962:SFADOD>2.0.ZU;2-I
Fonte:
ISI
Lingua:
ENG
Soggetto:
HOUSE DUST MITES; PTERONYSSINUS; REQUIREMENTS; POPULATION; HOMES;
Keywords:
DERMATOPHAGOIDES FARINAE; HOUSE DUST MITES; RELATIVE HUMIDITY; LIFE CYCLE; DEVELOPMENT;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
22
Recensione:
Indirizzi per estratti:
Citazione:
L.G. Arlian et al., "SURVIVAL, FECUNDITY, AND DEVELOPMENT OF DERMATOPHAGOIDES-FARINAE (ACARI, PYROGLYPHIDAE) AT FLUCTUATING RELATIVE-HUMIDITY", Journal of medical entomology, 35(6), 1998, pp. 962-966

Abstract

We determined the survival, development, and fecundity of Dermatophagoides farinae Hughes exposed to fluctuating daily regimes of hydratingand dehydrating relative humidity. Larva emerged from 84, 92, and 94%of eggs incubated at a regime of 2, 4, and 8 h at 75% RH and 22, 20, and 16 h at 0% RH, respectively. No emerging offspring completed the life cycle when exposed to the 2 and 4 h of moist air daily but 44 and 53% survived for 70 d in the larval or nymphal stages, respectively, and these completed development to adults when subsequently held at a constant 75% RH. Given 8 h of moist air daily, 41% of emerging offspring completed the life cycle but development was 1.6 times longer compared with development at a constant 75% RH. For all daily hydrating and dehydrating regimes, a greater percentage of offspring became males than females. Overall, survival of immatures was remarkable at these daily long periods of dehydrating conditions when a short period of hydrating moisture was provided. When exposed to a daily regime of 4 h of moist air (75% RH) and 20 h of dry air (0% RH), 84% of females survived28 d and produced approximate to 1/3 of the number of eggs produced at constant 75% RH (control).

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/11/20 alle ore 00:20:56