Results 91 to 100 of about 2,462 (213)

Physiological responses to temperature in Merizodus soledadinus (Col., Carabidae), a subpolar carabid beetle invading sub-Antarctic islands

open access: yes, 2016
International audienceRecent human activities and rising air temperature have increased the vulnerability of sub-Antarctic islands to alien species. At the Kerguelen Islands, the predaceous ground beetle Merizodus soledadinus is the only invasive insect ...
Laparie, M., Renault, D
core   +3 more sources

Decreased mating propensity of macropterous morph in a flightless wing-polymorphic insect, Pyrrhocoris apterus (Heteroptera)

open access: yesEuropean Journal of Entomology, 2004
The effect of wing length (brachyptery and macroptery) on mating activity was investigated in adult males and females of a flightless wing-polymorphic insect, Pyrrhocoris apterus (L.).
Radomír SOCHA
doaj   +1 more source

Natural selection on plant resistance to herbivores in the native and introduced range [PDF]

open access: yes, 2015
. When plants are introduced into new regions, the absence of their co-evolved natural enemies can result in lower levels of attack. As a consequence of this reduction in enemy pressure, plant performance may increase and selection for resistance to ...
Arroyo, Juan   +6 more
core   +2 more sources

Do long- and short-winged adult females of the bug Pyrrhocoris apterus (Heteroptera: Pyrrhocoridae) differ in lifespan and reproductive capacity?

open access: yesEuropean Journal of Entomology, 2013
In the present study we tested whether long-winged (macropterous) and short-winged (brachypterous) adult females of the firebug Pyrrhocoris apterus (L.) differ in their reproductive capacity and length of life.
Radomír SOCHA
doaj   +1 more source

Асимметрия меланизированного рисунка покрова в половой структуре природных популяций клопа-солдатика [PDF]

open access: yes, 2010
Результаты исследования динамики полового соотношения особей клопа-солдатика на территории Алексеевского района Белгородской области с учетом флуктуирующей асимметрииЖуйкова, Т.В.Семенова, О.В.Тимохина, О ...
Маканина, О. А.   +1 more
core  

Wing morph- and age-related differences in fertilization success of adult males of a flightless bug, Pyrrhocoris apterus (Heteroptera: Pyrrhocoridae)

open access: yesEuropean Journal of Entomology, 2008
The aim of the present study was to test the hypothesis that short-winged (brachypterous) and long-winged (macropterous) adult males of a flightless bug Pyrrhocoris apterus differ in fertilization success.
Radomír SOCHA
doaj   +1 more source

Factors terminating ovarian arrest in long-winged females of a flightless bug, Pyrrhocoris apterus (Heteroptera: Pyrrhocoridae)

open access: yesEuropean Journal of Entomology, 2007
The aim of the present study was to determine the factors that are involved in termination of a non-diapause type of ovarian arrest in the adult macropterous females of a flightless bug, Pyrrhocoris apterus (L.), reared under a long-day (18L : 6D ...
Radomír SOCHA
doaj   +1 more source

Parasites of firebugs in Austria with focus on the "micro"-diversity of the cosmopolitan trypanosomatid Leptomonas pyrrhocoris. [PDF]

open access: yesParasitol Res, 2023
Kostygov AY   +6 more
europepmc   +1 more source

Palaeoptera infraclass and Neoptera infraclass of the Hemimetabola insects in the Kivertsi National Park «Tsumanska pushcha»: preliminary studies. [PDF]

open access: yes, 2019
Робота відображає підсумки першого вивчення Ephemeroptera, Odonata, Hemiptera, Mantodea, Orthoptera, Dermaptera комах в межах Ківерцівського національного природного парку «Цуманська пуща» – унікальної природної пам’ятки на північному-заході України ...
Sukhomlin, Kateryna B.   +5 more
core  

Photoperiod, diapause and cold-hardiness

open access: yesEuropean Journal of Entomology, 2004
Great progress has recently been made in cryobiology. One field, however, has been neglected: the temporal sequence of the effects of photoperiod and temperature, and their relative importance in cold hardening.
Magdalena HODKOVA, Ivo HODEK
doaj   +1 more source

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