Results 31 to 40 of about 134,259 (308)
Parasitism, the diversity of life, and paleoparasitology
Memorias do Instituto Oswaldo Cruz, 2003 The parasite-host-environment system is dynamic, with several points of equilibrium. This makes it difficult to trace the thresholds between benefit and damage, and therefore, the definitions of commensalism, mutualism, and symbiosis become worthless ...
Adauto Araújo +4 more
doaj +1 more source
Biological Control of Ceratitis capitata (Diptera: Tephritidae) in Argentina: Releases of Diachasmimorpha longicaudata (Hymenoptera: Braconidae) in Fruit-Producing Semi-Arid Areas of San Juan [PDF]
, 2014 The Mediterranean fruit fly (Medfly), Ceratitis capitata (Wiedemann) is one of the major pests of fruit crops in Argentina and it is a phytosanitary barrier to the export of fresh fruits.
Bezdjian, Laura Patricia +9 more
core +1 more source
Sociobiology, 2015 This study aimed to evaluate the occurrence of natural parasitism in Acromyrmex landolti Forel, identify parasitoids associated to the species and to estimate parasitism rates. The experiment was conducted from January to May 2012 in Itapetinga, BA.
Maria Aparecida Castellani +6 more
doaj +1 more source
The Subcolonization and Buildup of \u3ci\u3eTetrastichus Julis,\u3c/i\u3e (Hymenoptera: Eulophidae) a Larval Parasitoid of the Cereal Leaf Beetle, (Coleoptera: Chrysomelidae) in the Lower Peninsula of Michigan [PDF]
, 2017 Following initial establishment of the parasitoid, Tetrastichus julis (Walker), at a carefully managed field nursery, releases of parasitized Oulema melanopus larvae were made by Michigan county agents at preselected sites throughout the lower peninsula ...
Logan, P. A, Sauer, R. J, Stehr, F. W
core +2 more sources
Getting more than a fair share: nutrition of worker larvae related to social parasitism in the Cape honey bee Apis mellifera capensis [PDF]
, 2002 Besides activation of ovaries and thelytokous reproduction of Cape workers, larval nutrition is an important aspect in parasitism of the African honey bee.
Allsopp, M.H. +3 more
core +2 more sources
Microbiology Spectrum, 2016 ABSTRACT Parasites are an important cause of human disease worldwide. The clinical severity and outcome of parasitic disease is often dependent on the immune status of the host. Specific parasitic diseases discussed in this chapter are amebiasis, giardiasis, cryptosporidiosis, cyclosporiasis, cystoisosporiasis, microsporidosis, granulomatous ...
Elitza S, Theel, Bobbi S, Pritt
openaire +2 more sources
European Journal of Entomology, 2006 The horse chestnut leaf miner, Cameraria ohridella Deschka & Dimić, is a species of unknown origin that recently invaded most of Europe, causing serious damage to horse chestnut trees, Aesculus hippocastanum. Parasitism was studied over a period of three
Lubomír VOLTER, Marc KENIS
doaj +1 more source
Density, parasitism, and sexual reproduction are strongly correlated in lake Daphnia populations
Ecology and Evolution, 2021 Many organisms can reproduce both asexually and sexually. For cyclical parthenogens, periods of asexual reproduction are punctuated by bouts of sexual reproduction, and the shift from asexual to sexual reproduction has large impacts on fitness and ...
Camden D. Gowler +4 more
doaj +1 more source
Pathogens, 2022 The study was carried out to evaluate the effect of energy and protein supplementation on parasitological and hematological response during peripartum and lactation of productive and non-productive Pelibuey ewes in a tropical environment.
Yoel López-Leyva +7 more
doaj +1 more source
An Entomopathogenic Nematode by Any Other Name [PDF]
, 2012 Among the diversity of insect-parasitic nematodes, entomopathogenic nematodes (EPNs) are distinct, cooperating with insect-pathogenic bacteria to kill insect hosts.
Adams, Byron J. +6 more
core +3 more sources