Results 111 to 120 of about 146,929 (358)

Primeiro relato de Spalangia nigroaenea Curtis, 1839 (Hymenoptera: pteromalidae) em pupas de fannia pusio (Wiedemann, 1830) (Diptera: fanniidae) no Brasil First report of Spalangia nigroaenea Curtis, 1839 (Hymenoptera: Pteromalidae) in pupae of Fannia pusio (Wiedemann, 1830) (Diptera: Fanniidae) in Brazil

open access: yesCiência e Agrotecnologia, 2008
Relata-se a primeira ocorrência do parasitóide Spalangia nigroaenea Curtis, 1839 (Hymenoptera: Pteromalidae) em pupas de Fannia pusio (Wiedemann, 1830) (Diptera: Fanniidae), no Brasil. Pupas de F.
Carlos Henrique Marchiori   +1 more
doaj   +1 more source

Cold-storage of Piezodorus guildinii (Hemiptera: Pentatomidae) eggs for rearing Telenomus podisi (Hymenoptera: Platygastridae) [PDF]

open access: yes, 2015
Piezodorus guildinii (Hemiptera: Pentatomidae) is an important soybean pest, and one of its main natural enemies is Telenomus podisi (Hymenoptera: Platygastridae).
Cingolani, Maria Fernanda   +2 more
core   +1 more source

Preference and performance of Phyllocnistis citrella Stainton (Lepidoptera:Gracillariidae) on three citrus hosts: Laboratory and field assessment [PDF]

open access: yes, 2008
The relationship between preference and performance is crucial to the ecology and evolution of plant-insect interactions. Oviposition preference and offspring performance were evaluated for a citrus pest, the leafminer Phyllocnistis citrella (Lepidoptera:
Goane, Lucía   +2 more
core   +2 more sources

Buchanan and the Social Contract: Coordination Failures and the Atrophy of Property Rights

open access: yesSouthern Economic Journal, EarlyView.
ABSTRACT James Buchanan advocated that societies should be based on a social contract. He rejected anarchy, seeing it as a “Hobbesian jungle” that calls for government intervention to maintain social order. He also opposed theories of spontaneous order. These views led to debates about the compatibility of Buchanan's works with classical liberalism and
Stefano Dughera, Alain Marciano
wiley   +1 more source

Inca expansion and parasitism in the Lluta Valley: preliminary data

open access: yesMemorias do Instituto Oswaldo Cruz, 2003
Assessing the impact of cultural change on parasitism has been a central goal in archaeoparasitology. The influence of civilization and the development of empires on parasitism has not been evaluated.
Santoro Calogero   +2 more
doaj  

ENZYMATIC ACTIVITY OF GLUTATHIONE S-TRANSFERASE AND THE LEVEL OF REDUCED GLUTATHIONE IN PIKE ESOX LUCIUS L. AND ITS OBLIGATE PARASITE CESTODE TRIAENOPHORUS NODULOSUS

open access: yesTransactions of the Karelian Research Centre of the Russian Academy of Sciences, 2016
Helminthes are a group of invertebrates living in the internal organs of a wide range of hosts. Helminthes are evolutionarily adapted to a relatively stable environment, formed by the host’s ability to maintain homeostasis under variable environmental ...
Albina Kochneva   +4 more
doaj   +1 more source

Sex-Specific Differences in Shoaling Affect Parasite Transmission in Guppies [PDF]

open access: yes, 2010
Background: Individuals have to trade-off the costs and benefits of group membership during shoaling behaviour. Shoaling can increase the risk of parasite transmission, but this cost has rarely been quantified experimentally. Guppies (Poecilia reticulata)
AE Houde   +46 more
core   +4 more sources

FEC Check: Development of a decision support tool to aid interpretation of gastrointestinal nematode faecal egg counts in sheep

open access: yesVeterinary Record, EarlyView.
Abstract Background Gastrointestinal nematode infections are ubiquitous in grazing livestock worldwide impacting animal health and production. Faecal egg count (FEC) is an accessible diagnostic test that can guide the need for treatment. However, interpretation of FECs can be challenging.
Eilidh Geddes   +7 more
wiley   +1 more source

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