Adult feeding preference and fecundity in the large pine weevil, Hylobius abietis (Coleoptera: Curculionidae)

0542660 - BC 2022 RIV CH eng J - Článek v odborném periodiku
Doležal, Petr - Kleinová, Lenka - Davídková, Markéta
Adult feeding preference and fecundity in the large pine weevil, Hylobius abietis (Coleoptera: Curculionidae).
Insects. Roč. 12, č. 5 (2021), č. článku 473. E-ISSN 2075-4450
Grant ostatní: Lesy ČR s.p.(CZ) 8/2017
Institucionální podpora: RVO:60077344
Klíčová slova: pinaceae * fecundity * seedling damnage
Obor OECD: Entomology
Impakt faktor: 3.141, rok: 2021
Způsob publikování: Open access
https://www.mdpi.com/2075-4450/12/5/473/pdf

Adult feeding preferences of Hylobius abietis on Picea abies, Larix decidua, Pinus sylvestris, Pseudotsuga menziesii, Abies alba and Betula pendula were tested in outdoor conditions. The preferred food source was P. menziesii, and the mean bark area consumed per seedling was 440.8 ± 147.9 mm2. The second most preferred host was P. abies. The coniferous species that suffered the least damage was A. alba (76.8 ± 62.56 mm2 per seedling). B. pendula was the least preferred source of food, and it caused mortality of 60% of weevils that fed on it. Weevils exhibited large differences in fecundity when fed with different tree species in a laboratory experiment. The largest number of eggs was laid by females fed with P. abies. Mean egg numbers reached 26.4 ± 24.89 eggs per experiment for P. abies. Similar fecundity was observed in weevils fed with twigs of P. sylvestris. Oviposition was approximately six times lower in females fed with L. decidua and P. menziesii. The maximum number of eggs laid by a single female during a one-month experiment was 90. The results are discussed in relation to management of H. abietis.
Trvalý link: http://hdl.handle.net/11104/0326559