Results 91 to 100 of about 2,436 (203)
European 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
Los estudios morfológicos en la teoría de la determinación cromosómica del sexo : 1880-1912 [PDF]
, 2003 En el presente trabajo se analizan las investigaciones morfológicas comenzadas a finales del siglo XIX alrededor del tema de la determinación del sexo, hasta el descubrimiento de cromosomas sexuales y la formulación de la teoría de la determinación ...
Delgado Echevarría, Isabel
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Pigment composition of the bright skin in the poison toad, Melanophryniscus rubriventris (Anura: Bufonidae) from Argentina [PDF]
, 2017 The determination of the basis of skin colour is important to better understand the evolutionary and ecological relevance of colour variation in aposematic species.
Bonansea, Maria Ines +2 more
core
Biogenic amines in protocerebral A2 neurosecretory neurons of Lymantria dispar L. (Lepidoptera:Lymantriidae): Response to trophic stress [PDF]
, 2011 The number, morphometric parameters and amount of aminergic neurosecretory product of protocerebral A2 neurosecretory neurons were investigated in the fifth instar of Lymantria dispar caterpillars, following a suitable or unsuitable trophic regime ...
Ilijin Larisa +6 more
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European 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]
, 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
The effect of pre-analytical treatment on the results of stoichiometric measurements in invertebrates [PDF]
, 2015 Growing interest in the application of stoichiometric approaches to community ecology has resulted in an increasing number of studies examining invertebrate body composition.
Anna Rożen +2 more
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European 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
European 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]
Parasitol Res, 2023 Kostygov AY +6 more
europepmc +1 more source