Results 31 to 40 of about 524,657 (365)
New methods of removing debris and high-throughput counting of cyst nematode eggs extracted from field soil [PDF]
Plos One 2019, 2022 The soybean cyst nematode (SCN), Heterodera glycines, is the most damaging pathogen of soybeans in the United States. To assess the severity of nematode infestations in the field, SCN egg population densities are determined. Cysts (dead females) of the nematode must be extracted from soil samples and then ground to extract the eggs within.
arxiv +1 more source
Phenotypic correlation between external and internal egg quality characteristics in 85-week-old laying hens [PDF]
International Journal of Poultry Science (2020) 19: 346-355, 2022 Background and Objective: Several studies confirm that the age of hens has a tremendous impact on external and internal egg quality characteristics. Egg production could be at serious risk if egg quality characteristics and age of hens are not seriously considered.
arxiv +1 more source
Jurnal Hama dan Penyakit Tumbuhan Tropika, 2011 Evaluation of parasitization of egg and larvae parasitoids to Putella xylostella L. (Lepidoptera: Yponomeutidae) on crucifers. Diamond back moth Plutella xylostella is an important pest of cabbage in Indonesia.
Nila Wardani dan Amrizal Nazar .
doaj +1 more source
Phenotypic plasticity and fitness in egg parasitoids [PDF]
Neotropical Entomology, 2010 Several proxies can be used to estimate the fitness of egg parasitoids: size, longevity, fecundity, mating ability and vagility. All these proxies are positively correlated with the lifetime fitness gain of an individual. However, the phenotypic plasticity, which is the ability of a genotype to produce distinct phenotypes depending on environmental ...
openaire +5 more sources
Egg Parasitoids of Citrus Weevils in Guadeloupe
Florida Entomologist, 2008 To determine parasitism and mortality factors affecting citrus weevils in Guadeloupe an explor atory trip to the island was taken in the summer of 2006. Guadeloupe was surveyed for egg parasi toids and other natural enemies with the intent of augmenting the parasitoid species that have al ready been imported and released to control the citrus root ...
Ulmer, Bryan +3 more
openaire +5 more sources
Exploitation of Eggs of the Colorado Potato Beetle, \u3ci\u3eLeptinotarsa Decemlineata\u3c/i\u3e (Coleoptera: Chrysomelidae), by the Exotic Egg Parasitoid \u3ci\u3eEdovum Puttleri\u3c/i\u3e (Hymenoptera: Eulophidae) in Eggplant [PDF]
, 2017 Edovum puttleri is a newly discovered, exotic, egg parasitoid of the Colorado potato beetle, (CPB) Leptinotarsa decemlineata. The exploitation of CPB eggs by E. puttleri was examined in a New Jersey eggplant field. E.
Williams, Charles E
core +2 more sources
Insects, 2021 Halyomorpha halys (Hemiptera: Pentatomidae), native to East Asia, has become a globally invasive pest, as a serious threat to agricultural production and a notorious nuisance pest in urban areas.
Mojca Rot +6 more
doaj +1 more source
Environmental Entomology, 2019 The spotted lanternfly, Lycorma delicatula White (1845) (Hemiptera: Fulgoridae), is an invasive insect that was first reported in North America in Berks County, Pennsylvania, in 2014.
R. Malek +6 more
semanticscholar +1 more source
The Parasitoid Complex of Forest Tent Caterpillar, \u3ci\u3eMalacosoma Disstria\u3c/i\u3e (Lepidoptera: Lasiocampidae), in Eastern Wyoming Shelterbelts [PDF]
, 2017 A parasitoid complex affecting the forest tent caterpillar, Malacosoma disstria, was investigated during 1978-79 in shelterbelts in eastern Wyoming.
Knight, G. A, Lavigne, R. J, Pogue, M. G
core +2 more sources
Insects, 2020 Spodoptera frugiperda (Smith) is the main maize pest in America and was recently detected as an invasive pest in some countries in Asia and Africa. Among its natural enemies presented in Mexico, Trichogramma pretiosum Riley is the only egg parasitoid ...
Jannet Jaraleño-Teniente +4 more
doaj +1 more source