Results 41 to 50 of about 80,371 (296)

New Records of Michigan Cicadidae (Homoptera), With Notes on the Use of Songs to Monitor Range Changes [PDF]

open access: yes, 2017
We present records of Diceroprocta vitripennis, Tibicen chloromera, and Tibicen pruinosa (new state record) in Michigan. Monitoring geographic range changes and population size differences by song suggests several population situations for cicadas: (1 ...
Alexander, Richard D   +3 more
core   +2 more sources

SEXES OF HOMOPTERA LUNATA [PDF]

open access: yesThe Canadian Entomologist, 1877
For the purpose of further testing conclusions stated on p. 174 regarding Homopteras lunata, edusa and Saundersii, I have secured all observed at my sugar since the former writing.There are 38 “lunata,” 23 “Saundersii” and 18 “edusa.” Having opportunity to examine these while fresh, I observed the anatomy of the sex organs in each specimen as captured.
openaire   +2 more sources

The mitogenome of the true bug Nysius cymoides (Insecta, Heteroptera) and the phylogeny of Lygaeoidea

open access: yesMitochondrial DNA. Part B. Resources, 2021
The complete mitochondrial genome of the true bug (Homoptera) Nysius cymoides (Spinola, 1837) is herein described and used for phylogenetic comparison with other species of Lygaeoidea.
Antonio Carapelli   +8 more
doaj   +1 more source

Grass Hosts of Cereal Aphids (Hemiptera: Aphididae) Between Wheat-Cropping Cycles in South Dakota [PDF]

open access: yes, 2018
Several grasses may serve as alternative hosts for cereal aphids during the interim between small-grain crops in South Dakota, but field studies to determine which grasses are important have not been undertaken.
Dagel, Kurt J, Hesler, Louis S
core   +2 more sources

CHANGES IN PIGMENT CONTENT OF TRITICALE GENOTYPES INFESTED WITH GRAIN APHID SITOBION AVENAE (FABRICIUS) (HOMOPTERA: APHIDIDAE)

open access: yes, 2014
The effect of feeding by the grain aphid Sitobion avenae (Fabricius) (Homoptera: Aphididae) on chlorophyll, carotenoid and flavonoid content was studied in waxy and waxless triticale genotypes.
A. Wójcicka
semanticscholar   +1 more source

Determination of the bacterial flora as a microbial control agent of Toxoptera aurantii (Homoptera: Aphididae)

open access: yesBiologia, 2012
Toxoptera aurantii (Homoptera: Aphididae) is one of the most important pests of many agricultural plants such as camellia, cocoa and coffee worldwide.
Elif Sevim, Ömer Çelebi, Ali Sevim
semanticscholar   +1 more source

Homopteran Attendance by Wasps and Ants: The Stochastic Nature of Interactions

open access: yesPsyche: A Journal of Entomology, 1987
Associations of Hymenoptera with Homoptera have intrigued ecologists and evolutionary biologists as model systems of mutualism. The extensive body of literature, however, tends to be skewed to the interactions between ants and homopteran trophobionts in ...
Deborah K. Letourneau, Jae C. Choe
doaj   +1 more source

First report of Vryburgia amaryllidis (Bouché) (Homoptera, Pseudococcidae) on Agapanthus sp. in Sicily, Italy

open access: yesJournal of Entomological and Acarological Research, 2012
The lily mealybug, Vryburgia amarillidis (Bouché) (Homoptera, Pseudococcidae) was detected on containerized Agapanthus sp. plants in Sicily, Italy. The morphological characteristics of the Sicilian populations of this pest are described.
Santi Longo
doaj   +1 more source

Ontogeny of the Tibial Spur in \u3ci\u3eMegamelus Davisi\u3c/i\u3e (Homoptera: Delphacidae) and its Bearing on Delphacid Classification [PDF]

open access: yes, 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

Field Monitoring of X-Disease Leafhopper Vectors (Homoptera: Cicadellidae) and Infected Chokecherry in Michigan Peach and Cherry Orchards [PDF]

open access: yes, 2017
Populations of leafhopper vectors of X-disease, a major disease problem of the Michigan peach industry, were monitored by yellow sticky board traps and sweepnet samples during 1985 and 1986.
Larsen, Kirk J, Whalon, Mark E
core   +2 more sources

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