Results 101 to 110 of about 8,203 (224)

Grape leafhopper tests

open access: yesCalifornia Agriculture, 1948
California Agriculture - All ...
openaire   +1 more source

New records of leafhoppers for Poland (Hemiptera: Cicadomorpha)

open access: yes, 2011
New records of leafhoppers for Poland (Hemiptera: Cicadomorpha) The paper presents data on the distribution and biology of five leafhopper species new to the Polish fauna: Eupteryx lelievrei (Lethierry, 1874), Zyginidia pullula (Boheman, 1845 ...
Marcin Walczak, Dariusz Świerczewski
core   +1 more source

Faunistic Study of Auchenorrhyncha in Olive Orchards in Greece, Including First Records of Species

open access: yesAgronomy
The study of Auchenorrhyncha species composition in Greek olive orchards is crucial due to the potential threat of Xylella fastidiosa invading the region. Recent studies have begun exploring agricultural landscapes, particularly olive and citrus orchards.
Zoi Thanou   +13 more
doaj   +1 more source

Don't Let Potato Leafhoppers Burn Hay

open access: yes, 2009
There have been recent reports of potato leafhopper in Iowa alfalfa, and it's time to think about sampling again. Potato leafhoppers do not overwinter in Iowa, but adults migrate here every spring.
Hodgson, Erin
core  

Reservoir Hosts and Vectors of Xylella fastidiosa, Causal Agent of Pierce's Disease of Grapevines, in North Carolina

open access: yes, 2009
Pierce’s disease (PD) of grapevines is caused by the xylem-limited bacterium Xylella fastidiosa (Xf) which is transmitted by leafhoppers and spittlebugs.
Floyd, Leah Evelyn
core  

Spiroplasmas in leafhoppers: a review.

open access: yesThe Yale journal of biology and medicine, 1984
This review describes the pathway a plant pathogenic mycoplasma or spiroplasma takes in its passage through a leafhopper vector. Reference is made to several strains of spiroplasma and acholeplasma, but, in particular, data are presented for Spiroplasma citri and the corn stunt spiroplasma.
openaire   +1 more source

Geographic and seasonal variation in size and color of adult corn leafhoppers (Hemiptera: Cicadellidae) from Mexico

open access: yes, 2005
We describe variation in wing length, head width, and color of the corn leafhopper, Dalbulus maidis (DeLong and Wolcott), in Mexico from 21 sites at nearctic and neotropical latitudes, from low (700 m) elevations, and wet season (June) and irrigated dry ...
Moya-Raygoza, G.   +2 more
core   +1 more source

DNA Barcodes of Japanese Leafhoppers

open access: yes
Only five DNA barcodes of Japanese leafhoppers have been recorded, although the DNA barcoding method using of a part of the mitochondrial cytochrome oxidase subunit I (COI) gene is said to be one of new tools for taxonomic identification.
Kamitani, Satoshi, 紙谷, 聡志
core  

Adult Tea Green Leafhoppers, Empoasca onukii (Matsuda), Change Behaviors under Varying Light Conditions

open access: yes, 2017
Insect behaviors are often influenced by light conditions including photoperiod, light intensity, and wavelength. Understanding pest insect responses to changing light conditions may help with developing alternative strategies for pest control. Little is
Zhaohua Zeng (1588450)   +6 more
core   +1 more source

Monitoring Populations of Aphids and Leafhoppers in Snap Bean Fields in Western New York. [PDF]

open access: yes, 2003
Viruses transmitted by aphids caused great devastation in many snap beans in western New York in 2001. In 2002, viruses were detected again in snap bean fields, but there was little affect on yield.
Erb, Alan   +2 more
core   +1 more source

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