Results 271 to 280 of about 27,900 (317)
Some of the next articles are maybe not open access.
A new species of Panonychus (Acari: Tetranychidae) from Peru
Zootaxa, 2002A new spider mite, Panonychus inca n. sp., collected on Malus domestica in Peru is described. This is the only known Panonychus species with the distal end of the aedeagus bent up and forward.
R. M. J. De Vis, G. J. de Moraes
openaire +3 more sources
Archives of Phytopathology and Plant Protection, 2019
The two-spotted spider mite, Tetranychus urticae Koch is one of the most common pests of agricultural crops. The use of sublethal doses can reduce the need of pesticides and prevent pests’ resistance, which is an important step in integrated pest ...
Niloufar Sangak Sani +2 more
semanticscholar +1 more source
The two-spotted spider mite, Tetranychus urticae Koch is one of the most common pests of agricultural crops. The use of sublethal doses can reduce the need of pesticides and prevent pests’ resistance, which is an important step in integrated pest ...
Niloufar Sangak Sani +2 more
semanticscholar +1 more source
Ontogenetic development and redescription of Eotetranychus kankitus (Acariformes: Tetranychidae)
Zootaxa, 2018Eotetranychus kankitus Ehara, 1955 is redescribed from females, males, deutonymphs, protonymphs and larvae collected on Citrus reticulata Blanco (Rutaceae) from China. The ontogenetic changes in leg chaetotaxy are provided and compared with the similar species Eotetranychus tiliarium (Hermann, 1804) and the considerably hypotrichous species ...
Li, Juan +3 more
openaire +3 more sources
Population Dynamics of Tetranychus Kanzawai (Acari: Tetranychidae) on Hydrangea
Experimental & Applied Acarology, 2000The seasonal occurrence of Tetranychus kanzawai Kishida populations on hydrangea (Hydrangea macrophylla) was studied at two different localities in Ibaraki, Japan, during a three-year period. There were two types of seasonal population trends: one with a population peak from May to June, and the other with the spring peak in June and the autumn peak in
Tetsuo Gotoh, Koh Gomi
openaire +3 more sources
Spider Mites Web: A comprehensive database for the Tetranychidae
2010Online databases are becoming a standard tool to study taxonomy, biodiversity, and ecology. We have developed a comprehensive database for the family Tetranychidae (spider mites). The Tetranychidae is one of the most important families of the Acari in terms of economic impact, because it comprises several agricultural pest species of major relevance ...
Migeon, Alain +2 more
openaire +3 more sources
The host range ofTetranychus lintearius (Acarina: Tetranychidae)
Experimental & Applied Acarology, 1991The host range ofTetranychus lintearius was examined experimentally to determine if the mite could be safely introduced into New Zealand for the biological control of gorse,Ulex europaeus (Leguminosae: Genisteae). The rationale for choosing test plants was the same as that employed for testing insect species as biological control agents. Outdoors, mite
R. L. Hill, D. J. O'Donnell
openaire +2 more sources
Karyotypes and sex-determination in spider mites (Tetranychidae)
Genetica, 1967The chromosomes of 13 species of spider mites (Tetranychidae) are determined using the aceto-orcein squash technique in order to establish the haplo-diploid sex-determination. 12 species showed the existence of haploid and diploid eggs:Neotetranychus rubi (Tragardh) with 7 and 14 chromosomes;Eurytetranychus buxi (Garman) with 5 and 10;Bryobia ...
H. R. Bolland, W. Helle
openaire +2 more sources
The carotenoid pigments of Schizonobia sycophanta Womersley (Acari: Tetranychidae)
Comparative Biochemistry and Physiology Part B: Comparative Biochemistry, 1974Abstract 1. 1. Nine carotenoids were isolated and identified from the spider mite Schizonobia sycophanta . 2. 2. Besides the unaltered plant carotenoids β-carotene, lutein, lutein-5,6-epoxide, violaxanthin and neoxanthin, all taken in with the food, the mites contained the keto-carotenoids echinenone, 3-hydroxy-4-keto-β-carotene, 3-hydroxy-4,
openaire +3 more sources
The carotenoid pigments of Oligonychus bessardi Gutierrez (Acari: Tetranychidae)
Comparative Biochemistry and Physiology Part B: Comparative Biochemistry, 1976Abstract 1. 1. Eleven carotenoids were present on thin layer chromatograms of extracts from the spider mite Oligonychus bessardi. 2. 2. The following carotenoids were isolated and identified: α-carotene, β-carotene, lutein, lutein epoxide, violaxanthin, neoxanthin, hydroxyechinenone, phoenicoxanthin and astaxanthin. 3. 3.
openaire +3 more sources