WebOtiorhynchus sulcatus, an autopolyploid general-purpose genotype species? – Hereditas 147: 278–282. Lund, sweden. eIssn 1601-5223. received 21 april 2010. accepted 13 June … WebApr 1, 1981 · Abstract. The 6 larval instars of Otiorhynchus sulcatus (F.) completed development from eggs inoculated to container-grown rhododendron in 84 or 211 days when grown indoors or outdoors, respectively. Larval mortality was greatest during instars I–III. During instars IV–VI, mortality increased with increasing insect density.
Otiorhynchus sulcatus (Fabricius, 1775) Azorean Biodiversity Portal
WebStrawberry plants in experimental plots in Norway with and without black polyethylene mulch were infested with females of Otiorhynchus sulcatus (F.) on 2 August, and the weevil populations were counted in June and July the following year. With the mulch, the population increased by 17.4 times, while without mulch there was no increase. WebDownload scientific diagram Besouros: A) Adulto de Otiorhynchus rugosostriatus, B) adulto de Otiorhynchus sulcatus, C) larva de Naupactus cervinus, D) larva de Otiorhynchus … hima-sella
Opuchlak truskawkowiec Koppert Polska
http://treefruit.wsu.edu/crop-protection/opm/weevils/ Black Vine Weevil (Otiorhynchus sulcatus) Female weevils have the ability to reproduce parthenogenetically [2] with fertilisation of eggs required to produce males, though no males have been observed. [3] This form of parthenogenesis is known as thelytoky. Grubs grow up to 1 cm in length, have a slightly curved, … See more Black vine weevil (Otiorhynchus sulcatus) is an insect native to Europe but common in North America as well. It is a pest of many garden plants. See more The host plants include the following, listed by genus: • Arisaema • Acer • Aster See more • Lixus concavus, the Rhubarb curculio weevil See more • Media related to Black vine weevil at Wikimedia Commons • Data related to Otiorhynchus sulcatus at Wikispecies See more The adult weevil is matte black with fused wing covers, and is unable to fly. It feeds at night on the outer edges of leaves, causing the leaves … See more The soil dwelling grubs can be difficult to control with chemical insecticides and products showing some efficacy, such as chlorpyrifos have been withdrawn from many markets: especially garden centres. Besides their environmental benefits, certain 'cruiser' See more WebBecause Otiorhynchus sulcatus is parthenogenetic a single female is enough to start a new population. About Black vine weevil. Damage symptoms. The major damage is caused by the feeding of the larvae on the roots. After the roots have been destroyed the larvae move into corms, rhizomes and stem bases of plants. himaskoku