Results 21 to 30 of about 7,822 (215)
Levels of genetic polymorphism: marker loci versus quantitative traits [PDF]
, 1998 Species are the units used to measure ecological diversity and alleles are the units of genetic diversity. Genetic variation within and among species has been documented most extensively using allozyme electrophoresis.
Butlin R. K. +9 more
core +3 more sources
Insects, 2021 The adaptation by planthoppers to feed and develop on resistant rice is a challenge for pest management in Asia. We conducted a series of manipulative experiments with the brown planthopper (Nilaparvata lugens (Stål)) on the resistant rice variety IR62 ...
Finbarr G. Horgan +4 more
doaj +1 more source
Identification of potential insect vectors of the Cape Saint Paul Wilt Disease of coconut in Ghana by PCR [PDF]
, 2009 The vector of the phytoplasma responsible for the coconut lethal yellowing disease in West Africa is unknown to date. However, it is known that phytoplasmas are transmitted by leafhoppers and planthoppers, which are supposed to be the only ones able to ...
Descamps, Sophie +7 more
core +1 more source
European Journal of Entomology, 2018 Coccinellids are effective predators and a key component of the predator guild in rice ecosystems. In order to enhance their efficacy, a study was undertaken to assess the seasonal movement of coccinellids into rice fields and the role of the surrounding
Chitra SHANKER +5 more
doaj +1 more source
Insects, 2021 The brown planthopper, Nilaparvata lugens (Stål), is a key challenge to rice production in Asia. Outbreaks of planthoppers are associated with excessive fertilizer applications; consequently, we examined planthopper interactions with susceptible ...
Finbarr G. Horgan +4 more
doaj +1 more source
Kazukuru gen. nov. – a new Ricaniidae planthopper from Solomon Islands (Hemiptera, Fulgoromorpha) [PDF]
Deutsche Entomologische Zeitschrift, 2021 A new monotypic genus of ricaniid planthoppers (Hemiptera: Fulgoromorpha: Ricaniidae) from New Georgia Island (Solomon Islands), Kazukuru gen. nov., is described for K. zingiberis sp. nov. (type species).
Adam Stroiński
doaj +3 more sources
Ontogeny of the Tibial Spur in \u3ci\u3eMegamelus Davisi\u3c/i\u3e (Homoptera: Delphacidae) and its Bearing on Delphacid Classification [PDF]
, 2017 The forms of the nymphal tibial spur in Megamelus davisi Van Duzee, and their relation to Muir\u27s classification of delphacid subfamilies and tribes, are ...
McPherson, J. E, Wilson, S. W
core +2 more sources
Agricultural Science, 2021 This study aims to apply an integrated pest control model (IPC) of brown planthoppers (bph) on rice against the presence of natural enemies in maintaining rice productivity.
Faisol Humaidi
doaj
Descriptions of Nymphs of \u3ci\u3eItzalana Submaculata\u3c/i\u3e Schmidt (Homoptera: Fulgoridae), a Species New to the United States [PDF]
, 2017 The 3rd, 4th, and 5th instar nymphs of ltzalana submaculata Schmidt are described from southern Texas. Previously recorded only from Surinam, this is the first record of this fulgorid from the United States and ...
O\u27Brien, Lois B, Wilson, Stephen W
core +2 more sources
Insects, 2020 Although many hypotheses have been proposed to understand the mechanisms underlying large-scale richness patterns, the environmental determinants are still poorly understood, particularly in insects.
Zheng-Xue Zhao +11 more
doaj +1 more source