Results 111 to 120 of about 29,479 (231)

The Parasitoid Complex of First Generation \u3ci\u3eOstrinia Nubilalis\u3c/i\u3e (Lepidoptera: Pyralidae) Larvae in Northwest Ohio [PDF]

open access: yes, 2018
A survey of first generation European corn borer (Ostrinia nubilalis) larvae was conducted during 1997 in six cornfields located in northwestern Ohio in order to determine the larval parasitoid complex utilizing this host.
Hughes, Laura L, Pavuk, Daniel M
core   +2 more sources

Morphological allometry of three hymenopteran ectoparasitoids of stored-product insect pests

open access: yesEuropean Journal of Entomology
Allometric analysis provides an insight into the function and diversification mechanisms of body parts in organisms. The allometry and variability in size of various body parts of three hymenopteran species, Anisopteromalus calandrae (Howard ...
Kento HIRATA, Kôji SASAKAWA
doaj   +1 more source

Insects Associated With Butternut and Butternut Canker in Minnesota and Wisconsin [PDF]

open access: yes, 2018
Butternut, Juglans cinerea, is being killed throughout its native range in North America by the fungus Sirococcus clavigignenti-juglandacearum. In addition to rain splashed spores, it is thought that the fungus may have spread over long distances to ...
Katovich, Steven A, Ostry, Michael E
core   +3 more sources

Comparison of the developmental time of Bracon hebetor (Hymenoptera: Braconidae) reared on five different lepidopteran host species and its relationship with digestive enzymes

open access: yesEuropean Journal of Entomology, 2014
Bracon (Habrobracon) hebetor Say is a polyphagous parasitoid of lepidopteran larvae, including those of the family Pyralidae. There are many reports that this parasitoid attacks the larvae of stored product and field crop pests.
Dorna SAADAT   +2 more
doaj   +1 more source

New Distributional Record for \u3ci\u3eBalcha Indica\u3c/i\u3e (Hymenoptera: Eupelmidae) in Eastern West Virginia Discovered During Emerald Ash Borer Parasitoid Recovery Surveys [PDF]

open access: yes, 2018
Between 2010 and 2012, approximately 6,300 Spathius agrili Yang (Hymenoptera: Braconidae) and 9,500 Tetrastichus planipennisi Yang (Hymenoptera: Eulophidae) parasitoids were released for biological control of the invasive emerald ash borer, Agrilus ...
Braud, Rachel   +3 more
core   +2 more sources

Effect of female size on host selection by a koinobiont insect parasitoid (Hymenoptera: Braconidae: Aphidiinae)

open access: yesEuropean Journal of Entomology, 2009
Body size is a main fitness component of insect parasitoids. We assessed the potential influence of maternal size of the parasitoid wasp Aphidius colemani Viereck (Hymenoptera: Braconidae: Aphidiinae) on its ability to parasitize the different instars of
Dionyssios LYKOURESSIS   +4 more
doaj   +1 more source

Monitoring of the Indian meal moth and its parasitoids in long-term grain storage

open access: yesJulius-Kühn-Archiv, 2018
Cheyletus malaccensis (Oudemans) is a species of predatory mite, which is widely distributed in grain storage, and is a potential natural enemy of stored-product pests.
Schöller, Matthias   +2 more
doaj   +1 more source

Juvenilhormon-Esterase, ein Schlüsselenzym in Wirt-Parasitoid-Interaktionen [PDF]

open access: yes, 2008
Hymenopteran endoparasitoids that develop inside their lepidopteran host may exert a multitude of interactions with their host until they are able to emerge successfully from a developmentally arrested host that finally dies.
Nussbaumer, Christa   +2 more
core  

The Effects of Crop Type and Production Systems on the Activity of Beneficial Invertebrates [PDF]

open access: yes, 2007
Beneficial invertebrate activity (13 groups) was assessed in five crop types on a split-plot experimental system in northern England using pitfall trapping and suction sampling in May-October 2005.
Eyre, M.D.   +3 more
core  

The greenhouse diet : gypsy moth performance in a CO2-enriched world [PDF]

open access: yes, 2008
Rising atmospheric CO2 is regarded as the main driver of global warming (Crowley, 2000). While temperature changes directly affect plants and animals (Root et al., 2003; Parmesan, 2006), the effects of CO2 on herbivores are mediated through changes in ...
Schafellner, Christa, Schopf, Axel
core  

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