Effect of extreme temperature on egg development larval and adult survival of Chordodes nobilii Camerano, 1901 [Gordiida, Nematomorpha]

• Autorzy: Achiorno C L , Ferrari L. , De Villalobos C.
• Języki publikacji: EN

Abstrakty

EN

On the basis of experimental studies we analyzed the effect of extreme temperatures on the aquatic free-living phases of the life cycle of Chordodes nobilii (Gordiida, Nematomorpha). Bioassays were performed with eggs, larvae, and adults. Eggs and larvae were exposed to 3°C below zero and 40.5°C; adults were exposed to 3°C below zero and to 38.5°C and 40.5°C. The results showed that egg development was inhibited in both tests. Exposed larvae showed a decrease in their infective capacity, which resulted almost null at 40.5°C. Adults exposed to 38.5°C showed mortality ≤10%, at 40.5°C the mortality was 100% and the adult’s mortality at 3°C below zero was 89%. Results indicate that free living stages of Chordodes nobilii are susceptible to extreme temperatures.

Słowa kluczowe

EN

Chordodes nobilii; adult survival; Nematomorpha; development; larval survival; life cycle; egg; extreme temperature; Gordiida

• Wydawca: -
• Czasopismo: Acta Parasitologica
• Rocznik: 2008
• Tom: 53
• Numer: 4
• Opis fizyczny: p.392-396,fig.,ref.

Twórcy

autor

Achiorno C L

• Facultad de Ciencias Naturales y Museo Universidad Nacional de la Plata, Paseo del Bosque S/N, 1900 La Plata, Argentina

autor

Ferrari L.

autor

De Villalobos C.

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