Results 61 to 70 of about 464 (138)
SummaryExperimental infection of adultDrymaplaneta variegataShelford, 1909 (Blattodea) with known numbers of eggs ofProtrellus dixoniZervos, 1987 (Nematoda: Thelastomatidae) showed that each infrapopulation was regulated by a density-dependent and sex-dependent reduction in infection intensity with infrapopulation age.
openaire +1 more source
The fig pollinating wasps (Hymenoptera: Agaonidae) have obligate arrhenotoky and a breeding structure that fits local mate competition (LMC). It has been traditionally assumed that LMC organisms adjust the sex ratio by laying a greater proportion of male
William Ramírez-Benavides +2 more
doaj +2 more sources
Cyrtomon luridus (Boh.), a native insect of wild Solanaceae, has adapted to the medicinal plant Duboisia sp., introduced from Australia, causing damages up to 100% mortality. Microctonus sp. is the most important natural enemy of C.
Paulo Tironi +2 more
doaj
La especie Frankliniella occidentalis (Pegande) se encontró causando daño a flores de crisantemo en una empresa de la<br />Sabana de Bogotá. Se estudió su biología bajo condiciones de laboratorio (24,31 ± 2,50C y 66,36 ± 12% H.R.).
Cardenas Estrella, Corredor Dario
doaj
Parthenogenesis, chromosomal polymorphism and morphological variation in Chironomids
Typescript (roneo copy)Thesis (PhD) -- University of Melbourne, Office of Research, 1973Includes bibliographical references (leaves 240-265)Parthenogenesis, in the forms of arrhenotoky, deuterotoky, or thelytoky, is a quite common phenomenon in the ...
Porter, David Laurence.
core +1 more source
Strategies of Laying Workers in Populations of the Honeybee, Apis mellifera {Hymenoptera:
In colonies of Apis mellifera Linnaeus 1758, VP develop their o.varies and start laying eggs after they become queenless. Usually dd develop from these Qlaid eggs (arrhenotokous parthenogenesis). In Apis mellifera capensis Escholtz 1822 laying 89 produce
Robin F. A. Moritz, Hymenoptera Apidae
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Spatial Differences in Worker Policing . . .
ost colonies. Key words: Apis mellifera capensis, honeybees, social parasitism, worker policing, worker reproduction. Introduction Social parasitism in which mated gynes seek and invade host colonies and start reproducing at the expense of the host is
P. Neumann +4 more
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Parthenogenesis affects interspecific competition between Megalurothrips usitatus and Frankliniella intonsa (Thysanoptera: Thripidae) in changing environment: evidence from life table study. [PDF]
Guo LH, Wu SY, Gong RN, Tang LD.
europepmc +1 more source
International audienceOne of the most important egg parasitoids of gypsy moth is Ooencyrtus kuvanae (Howard) (Hymenoptera: Encyrtidae). We have already developed a method to rear O. kuvanae on the laboratory host Philosamia ricini (Danovan) (Lepidoptera:
Venard, Marine +5 more
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Parthenogenesis under influence of microbes in Thysanoptera [PDF]
Der Reproduktionsmechanismus der meisten Thysanopteren beruht auf Haplodiploidie (EVANS et al. 2004). Die Mehrzahl der Arten vermehrt sich durch Arrhenotokie. Bei einigen Arten sind Männchen jedoch sehr selten, sie vermehren sich durch Thelytokie.
Kumm, Sandra +2 more
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