Results 41 to 50 of about 776 (184)

The influence of the type of storage on pest infestation of stored grain in the Czech Republic

open access: yesPlant, Soil and Environment, 2003
Stored-product pests cause high economic losses by feeding on stored grain and endanger the public health by contamination of food by allergens. Therefore, the aim of this work was to explore whether the risk of infestation of stored grain by pests is ...
V. Stejskal   +5 more
doaj   +1 more source

Natural History of Curtis Island, Bass Strait - 3. Entomology [PDF]

open access: yes, 1973
The insects collected on Curtis Island during a survey in February 1971 are enumerated and discussed. Representatives of 16 orders are identified to family.
New, TR
core   +2 more sources

The first record of Hemineura wittmeri Badonnel, 1981 (Psocodea, Psocomorpha, Elipsocidae) from the Caucasus [PDF]

open access: yesCaucasiana
The second psocid species of the genus Hemineura Tetens, 1891, namely H. wittmeri Badonnel, 1981, is recorded from the Caucasus region for the first time based on several female and male specimens collected in the Shida Kartli region of Georgia ...
Armen Seropian, Natalia Bulbulashvili
doaj   +3 more sources

Developing effective fumigation protocols to manage strongly phosphine-resistant Cryptolestes ferrugineus (Stephens) (Coleoptera: Laemophloeidae) [PDF]

open access: yes, 2014
BACKGROUND The emergence of high levels of resistance in Cryptolestes ferrugineus (Stephens) in recent years threatens the sustainability of phosphine, a key fumigant used worldwide to disinfest stored grain.
Kaur, Ramandeep, Nayak, Manoj K.
core   +2 more sources

Does sorption of sulfuryl fluoride by wheat reduce its efficacy against adults and eggs of Rhyzopertha dominica? [PDF]

open access: yes, 2017
Despite its growing importance as a fumigant for grain, there is no information on the impact of sorption on the efficacy of sulfuryl fluoride (SF) against target insect pests. Eggs and adults of a major grain pest, Rhyzopertha dominica, living in wheat (
Collins, Patrick J.   +2 more
core   +2 more sources

Psocids (Psocoptera). Chapter 13.2 [PDF]

open access: yesBioRisk, 2010
Among the 231 species of Psocoptera present in Europe, 49 (21.2%) are considered to be of alien origin. Th ey include 29 exotic introduced species and 20 cryptogenic species. Most of the exotic species originated from tropical and subtropical areas, essentially from Africa. Many of them are food pests, moving along with stored products. Th irty-nine of
openaire   +1 more source

The oldest lagonomegopid spider, a new species in Lower Cretaceous amber from Álava, Spain [PDF]

open access: yes, 2006
The new species Burlagonomegops alavensis (Araneae: Lagonomegopidae) is described from Lower Cretaceous (Aptian) amber from Álava (Basque Country), Spain.
Penney, D.
core   +3 more sources

Parthenogenesis in Psocids (Insecta: Psocoptera) [PDF]

open access: yesAmerican Zoologist, 1971
synopsis. Obligate thelytokous parthenogenesis and, more rarely, facultative thelytoky are known to occur in psocids. The former phenomenon is known in 28 species. The latter is known only in two species, both of which have obligatorily thelytokous forms as well as bisexual ones.
openaire   +1 more source

Essential Oils in Stored Product Insect Pest Control

open access: yesJournal of Food Quality, Volume 2018, Issue 1, 2018., 2018
Among botanical extracts used as insecticides, essential oils (EOs) are promising alternatives to chemical insecticides. EOs are synthesized by plants, and they play a key role in plant signaling processes including also attractiveness toward pollinators and beneficial insects.
Orlando Campolo   +5 more
wiley   +1 more source

Essential Oils from Clausena Species in China: Santalene Sesquiterpenes Resource and Toxicity against Liposcelis bostrychophila

open access: yesJournal of Chemistry, Volume 2018, Issue 1, 2018., 2018
To develop natural product resources from the Clausena genus (Rutaceae), the essential oils (EOs) from four Clausena plants (Clausena excavata, C. lansium, C. emarginata, and C. dunniana) were analyzed by GC‐MS. Their lethal (contact toxicity) and sublethal effects (repellency) against Liposcelis bostrychophila (LB) adults were also evaluated ...
Shan-Shan Guo   +8 more
wiley   +1 more source

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