Results 41 to 50 of about 15,474 (266)

Cytogeography of three parallel Robertsonian polymorphisms in the water-hyacinth grasshopper, Cornops aquaticum (Orthoptera: Acrididae)

open access: yesEuropean Journal of Entomology, 2008
C. aquaticum (Acrididae: Leptysminae) inhabits water-hyacinths in the Neotropical region. The blue-flowered water-hyacinth, Eichhornia crassipes, has been introduced elsewhere without its natural enemies and has become a weed; recently C.
Pablo César COLOMBO
doaj   +1 more source

\u3ci\u3eTrimerotropis Huroniana\u3c/i\u3e (Orthoptera: Acrididae), a New Record for Wisconsin [PDF]

open access: yes, 2017
(excerpt) Trimerotropis huroniana Walker (Subfamily Oedipodinae), is a distinctive species first described by Walker (1902) from a small area of open dunes near Southampton, Ontario.
Ballard, Harvey E, Jr.
core   +2 more sources

Hemiparasitic plant impacts animal and plant communities across four trophic levels [PDF]

open access: yes, 2015
1.Understanding the impact of species on community structure is a fundamental question in ecology. There is a growing body of evidence that suggests that both sub-dominant species and parasites can have a disproportionately large impact.
Green, J P   +5 more
core   +1 more source

Nuevos datos sobre los Ortópteros (Orthoptera, Saltatoria) del archipiélago del norte del Dodecaneso (Espóradas del sur, Grecia)

open access: yesGraellsia, 2005
Se presenta un catálogo de especies de Ortópteros recogidos durante 1997 en pequeñas islas aisladas del archipiélago del norte del Dodecaneso (Espóradas del sur, Grecia) También se incluye información sobre algunos aspectos taxonómicos y ecológicos de ...
K. P. Papapavlou
doaj   +1 more source

A redescription of Charletonia damavandica (Acari: Erythraeidae)

open access: yesPersian Journal of Acarology, 2022
We redescribed and illustrated Charletonia damavandica on the basis of examination of its type and new materials which were collected ectoparasitic on Calliptamus italicus (Insecta: Orthoptera: Acrididae) as hosts from Shahrood city, Semnan province ...
Masoud Hakimitabar   +2 more
doaj   +1 more source

Against the central-marginal model: Three cases in chromosomally polymorphic grasshoppers (Orthoptera: Acrididae)

open access: yesEuropean Journal of Entomology, 2012
The central-marginal model is widely accepted in chromosomally polymorphic species of Drosophila. In fact, geographically and ecologically central populations of Drosophila show higher levels of polymorphism for paracentric inversions, whereas marginal ...
Pablo C. COLOMBO
doaj   +1 more source

Exploring the relationship between tychoparthenogenesis and inbreeding depression in the Desert Locust, Schistocerca gregaria [PDF]

open access: yes, 2017
Tychoparthenogenesis, a form of asexual reproduction in which a small proportion of unfertilized eggs can hatch spontaneously, could be an intermediate evolutionary link in the transition from sexual to parthenogenetic reproduction.
Blondin, Laurence   +4 more
core   +1 more source

Differential gene expression in Chorthippus parallelus (Zetterstedt, 1821) (Orthoptera: Acrididae: Gomphocerinae) induced by Wolbachia infection

open access: yesInsect Science, EarlyView.
Distinct lineages of the grasshopper Chorthippus parallelus (Orthoptera: Acrididae) form a well‐known hybrid zone (HZ) in the Pyrenees mountain range; the Iberian endemism C. p. erythropus (Cpe) and the subspecies C. p. parallelus, (Cpp) widely distributed throughout the rest of Europe. Both subspecies differ in diverse traits, including the strains of
Patricia Jiménez‐Florido   +4 more
wiley   +1 more source

Endemic grasshoppers (Orthoptera, Acridoidea) of the steppes of West Siberia and North-East Kazakhstan: how can we estimate their future?

open access: yesActa Biologica Sibirica
The distribution patterns of 3 rare acridid species, namely Asiotmethis jubatus (Uvarov, 1926) (Pamphagidae), Aeropedellus baliolus Mistshenko, 1951 and Mesasippus arenosus (Bey-Bienko, 1930), are described and compared. In the region, there are the type
Natalya S. Baturina   +4 more
doaj   +1 more source

Contribution à l'étude de l'activité biologique d'extraits de feuilles de Cestrum parqui L'Herit.(Solanaceae) sur le criquet pélerin Schistocerca gregaria (Forsk) [PDF]

open access: yesBiotechnologie, Agronomie, Société et Environnement, 2001
Contribution to the study of the biological activity of Cestrum parqui L'Herit. extracts against the locust Schistocerca gregaria (Forsk). The leaves of Cestrum parqui L'Herit.
Barbouche N.   +3 more
doaj  

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