Results 101 to 110 of about 2,017 (207)

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

Uno studio inedito di Enrico Pirajno di Mandralisca sull’entomofauna delle isole Eolie. [PDF]

open access: yes, 2010
Tra i manoscritti inediti di Enrico Pirajno, conservati presso l’Archivio Storico della FondazioneMandralisca, esiste un elenco dei “Coleotteri delle isole Eolie”, che rappresenta il primo tentativo pionieristico di un catalogo dell’entomofauna dell ...
Grita, F, Lo Cascio, P, MASSA, Bruno
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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

Addicions i correccions al catàleg dels heteròpters de Catalunya (Insecta, Hemiptera, Heteroptera) [PDF]

open access: yes, 2008
L'any 2004, J. Ribes, A. Serra i M. Goula van publicar el Catàleg dels heteròpters de Catalunya, on se censaren 1.037 espècies repartides en 36 famílies.
Gessé Solé, Francesc   +4 more
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Relationships between locomotor activity, oxidative damage and life span in males and females of the linden bug, Pyrrhocoris apterus (Heteroptera: Pyrrhocoridae)

open access: yesEuropean Journal of Entomology, 2013
In this study we addressed a question of whether experimental manipulations that increase life span also reduce physical activity and molecular oxidative damage.
Marcela BURICOVA, Magdalena HODKOVA
doaj   +1 more source

Evolution of mutualistic microbiome in firebugs and cotton stainers (Hemiptera; Pyrrhocoridae): characterizing the role of bacterial symbionts in diversification and niche expansion of Pyrrhocoridae [PDF]

open access: yes, 2015
The gut microbial symbionts have had an enormous impact on the evolution of animals. These symbionts have been well documented to impart a vast repertoire of beneficial functions that significantly contribute to the fitness of their insect hosts ranging ...
Sudakaran, Sailendharan
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Pigment composition of the bright skin in the poison toad, Melanophryniscus rubriventris (Anura: Bufonidae) from Argentina [PDF]

open access: yes, 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
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Meiotic chromosomes and nucleolar behavior in testicular cellas of the grassland spittlebugs Deois flavopicta, Mahanarva fimbriolata and Notozulia entreriana (Hemiptera, Auschenorrhyncha). [PDF]

open access: yes, 2015
Spittlebugs annually infest pastures and cause severe damage, representing a serious problem for the tropical American beef cattle industry. Spittlebugs are an important biotic constraint to forage production and there is a lack of cytogenetic data for ...
BARBOSA, L. R.   +5 more
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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

Cromosomas sexuales : cien años y una historia [PDF]

open access: yes
Fil: Mola, Liliana María. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Ecología, Genética y Evolución. Laboratorio de Citogenética y Evolución; Argentina.Fil: Rodríguez Gil, Sergio Gustavo.
Mola, Liliana María   +2 more
core  

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