Results 11 to 20 of about 61,246 (266)

The effects of boric acid and citric acid on chiasma frequency and meiotic division in Chorthippus loratus (Acrididae:Orthoptera) males

open access: yesCumhuriyet Science Journal, 2020
In this study, the cytogenetic effects of boric acid and citric acid in meiosis were investigated. Chorthippus loratus species of grasshoppers were treated with boric acid and citric acid sprayed grass at doses of 250, 500 and 1000 µg/ml for 24 hours. As
Serdar Koca, Şifa Türkoğlu
doaj   +1 more source

\u3ci\u3eThe Orthoptera of Michigan– Biology, Keys, and Descriptions of Grasshoppers, Katydids, and Crickets\u3c/i\u3e by Roger G. Bland, 2003. [PDF]

open access: yes, 2018
(excerpt) Michigan has a long history of entomologists interested in the Orthoptera fauna of the state, and T.H. Hubbell and I.J. Cantrall had published several papers on the Orthoptera of various parts of the state, as well as state-wide lists. Later on,
O\u27Brien, Mark
core   +2 more sources

Survival and Food Detection by First-Instar \u3ci\u3eMelanoplus Femurrubrum\u3c/i\u3e (Orthoptera: Acrididae) [PDF]

open access: yes, 2017
Newly hatched Melanoplus femurrubrum (DeGeer) were evaluated for survival without food under various moisture, temperature, and light conditions. Although nymphs survived up to 113 h without food, they required food 48-W h after hatching to ensure ...
Bland, R. G
core   +2 more sources

The Orthoptera of Castro Verde Special Protection Area (Southern Portugal): new data and conservation value

open access: yesZooKeys, 2017
With the increasing awareness of the need for Orthoptera conservation, greater efforts must be gathered to implement specific monitoring schemes. Despite recent surveys, little is known about Portuguese Orthoptera populations. This study was performed in
Sílvia Pina   +8 more
doaj   +3 more sources

Indiana Ensifera (Orthopera) [PDF]

open access: yes, 2017
(excerpt) A total of 67 species of long-horned grasshoppers and crickets were reported to occur in Indiana by Blatchley (1903) in his Orthoptera of Indiana.
McCafferty, W. P, Stein, J. L
core   +3 more sources

Tribal affiliation of endemic Macaronesian bush-crickets similar to Tettigonia (Orthoptera: Tettigoniidae) based on their karyology and taxonomy

open access: yesEuropean Journal of Entomology, 2020
Two endemic genera of large tettigoniids are found in the Canary Islands and Madeira, which are morphologically similar to the genus Tettigonia. In this study, the karyotypes of representatives of the Glyphonotini genera Calliphona and Psalmatophanes are
Elżbieta WARCHAŁOWSKA-ŚLIWA   +3 more
doaj   +1 more source

Effects of Enamel Paint on the Behavior and Survival of the Periodical Cicada, \u3ci\u3eMagicicada Septendecim\u3c/i\u3e (Homoptera) and the Lesser Migratory Grasshopper, \u3ci\u3eMelanoplus Sanguinipes (Orthoptera). [PDF]

open access: yes, 2018
We present information compiled from several studies on the effects of methods for marking individual arthropods on their longevity and behavior. Results from our own research on effects of enamel paint marking on two in- sect species, the periodical ...
Cooley, J. R   +2 more
core   +2 more sources

Loss of safety in numbers and a novel driver of mass migration: radiotelemetry reveals heavy wasp predation on a band of Mormon crickets [PDF]

open access: yesRoyal Society Open Science, 2016
Coordinated movement of animals is a spectacular phenomenon that has received much attention. Experimental studies of Mormon crickets and locust nymphs have demonstrated that collective motion can arise from cannibalism that compensates for nutritional ...
Robert B. Srygley, Patrick D. Lorch
doaj   +1 more source

A Review of the Genus \u3ci\u3eGryllus\u3c/i\u3e (Orthoptera: Gryllidae), With a New Species From Korea [PDF]

open access: yes, 2017
Gryllus is the most widely distributed genus of the Tribe Gryllini, and may be the largest; it includes 69 described species occupying most of the New World, Africa, and Europe, and much of Asia.
Alexander, Richard D
core   +2 more sources

First Report of \u3ci\u3eAllonemobius Griseus\u3c/i\u3e and \u3ci\u3ePsinidia Fenestralis\u3c/i\u3e in Ohio (Orthoptera: Gryllidae and Acrididae) [PDF]

open access: yes, 2017
Occurrences of Allonemobius griseus and Psinidia fenestralis in Ohio are pub- lished for the first time. Apparent restriction of these species to the sand deposits of northwestern Ohio, their localized distribution in scattered, non-contiguous blow- outs,
Ballard, Harvey E, Jr.
core   +2 more sources

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