Results 221 to 230 of about 65,255 (251)

The structure of bivalents in the Homoptera Auchenorrhyncha

Chromosoma, 1960
1. The chromosomes of the cicadellid species Xerophloea viridis (2n=18+XY) and of species belonging to related genera, are far larger than the chromosomes of any other species belonging to the Auchenorrhyncha so far cytologically studied. 2. In X.
Olli Halkka, Olli Halkka, Olli Halkka
openaire   +3 more sources

Phenacoccus madeirensis Green, 1923 (Homoptera: Pseudococcidae) on Ocimum basilicum: a new geographical record for Greece

, 2012
In Greece, Phenacoccus madeirensis Green, 1923 (Homoptera: Pseudococcidae) was identified for the first time in June 2010 in the regions of Thessaloniki, Xanthi and Kavala (Northern Greece). This mealybug was found on sweet basil (Ocimum basilicum).
S. Papadopoulou, C. Chryssohoides
semanticscholar   +1 more source

The presence of Rickettsia is associated with increased susceptibility of Bemisia tabaci (Homoptera: Aleyrodidae) to insecticides.

Pest Management Science, 2008
BACKGROUND The presence of certain symbiotic microorganisms may be associated with insecticide resistance in insects. The authors compared the susceptibility of two isofemale lines, Rickettsia-plus and Rickettsia-free, of the sweet potato whitefly ...
S. Kontsedalov, E. Zchori‐Fein, E. Chiel, Y. Gottlieb, M. Inbar, M. Ghanim   +5 more
semanticscholar   +1 more source

The correlation of abiotic factors and physico-morphic charateristics of (Bacillus thuringiensis) Bt transgenic cotton with whitefly, Bemisia tabaci (Homoptera: Aleyrodidae) and jassid, Amrasca devastans (Homoptera: Jassidae) populations

, 2010
Nine (Bacillus thuringiensis) Bt genotypes (Bts-496, FH-113, CP-1401, I-2015, I-2086, CP-1402, VH-255, MG-3 and I-802) and non-transgenic genotype CIM-496 (control), were sown in an RCBD with a plot size of 206 x 170 ft to determine the correlation of ...
M. Ashfaq, M. Noor-ul-Ane, Khuram Zia, Abida Nasreen, Mansoor-ul-hasan   +4 more
semanticscholar   +1 more source

Intracellular Symbiotes of the Homoptera

Annual Review of Entomology, 1980
The Annual Review of Entomology was first published in 1956. In that year, Brooks (13) reported to the Tenth International Congress of Entomology on the nature and significance of the intracellular bacteroids (bacteria-like microorganisms) of the cockroach, Blattella germanica.
Edward J. Houk, Gareth W. Griffiths
openaire   +2 more sources

An American Tettigometrid (Homoptera).

Annals of the Entomological Society of America, 1924
Length of vertex in middle two-thirds the width between eyes, anterior margin arcuate, on middle line projecting in front of eyes about half its length; base ill defined from occiput which does not project beyond the lateral margins of eyes but barely reaches it, disc slightly concave; head, including eyes, five sixths the width of pronotum; antennae ...
Frederick Muir, T. H. Honolulu
openaire   +2 more sources

INTERACTIONS INVOLVING PLANTS, HOMOPTERA, AND ANTS

, 1987
Homoptera live and feed on plants. In some circumstances, Homoptera may be tended and defended by ants; in others, they are attacked and eaten. These interactions between plants, sap-feeding Homoptera, and ants can affect each of the participants in a ...
R. Buckley
semanticscholar   +1 more source

Description of a Species of Bemisia (Homoptera: Aleyrodidae)

, 1994
Bemisia argentifolii Bellows & Perring, n. sp., is described from material collected in California and Florida. This species has been referred to elsewhere as B. tabaci strain B or B. tabaci poinsettia strain.
T. Bellows, T. Perring, R. Gill, D. Headrick   +3 more
semanticscholar   +1 more source

Resistance of Bemisia tabaci (Homoptera: Aleyrodidae) to insecticides in southern Spain with special reference to neonicotinoids.

, 2000
The tobacco whitefly, Bemisia tabaci Gennadius (Homoptera: Aleyrodidae) which occurs in various parts of the world, has developed a high degree of resistance against several chemical classes of insecticide, including organophosphates, carbamates ...
A. Elbert, R. Nauen
semanticscholar   +1 more source

Density-dependent feedback and population cycles in Adelges tsugae (Homoptera : Adelgidae) on Tsuga canadensis

, 1991
Studies in a hemlock plantation and in four hemlock forests in Connecticut revealed that hemlock woolly adelgid, Adelges tsugae Annand, severely reduced the growth and survival of Tsuga canadensis (L.) Carriere, which had a major impact on the subsequent
M. McClure
semanticscholar   +1 more source