Results 51 to 60 of about 4,512 (212)

Commodity risk assessment of Robinia pseudoacacia plants from the United Kingdom

open access: yesEFSA Journal, Volume 24, Issue 4, April 2026.
Abstract The European Commission requested the EFSA Panel on Plant Health (PLH) to prepare and deliver risk assessments for commodities listed in Commission Implementing Regulation (EU) 2018/2019 as ‘High risk plants, plant products and other objects’.
EFSA Panel on Plant Health (PLH)   +33 more
wiley   +1 more source

A STUDY OF BIONOMY OF THE PRIVET SAWFLY (Macrophya punctumalbum (L.)) (Hymenoptera, Tenthredinidae) – A PEST OF PARK PLANTS

open access: yesActa Scientiarum Polonorum: Hortorum Cultus, 2009
The study of the bionomy of privet sawfly (Macrophya punctumalbum (L.), a pest of park plants in the city of Poznań, was conducted during three vegetation seasons in the years 1981–1983, at the insectarium of the Department of Entomology at Agricultural 
Hanna Piekarska-Boniecka   +2 more
doaj  

Revision of the Tribe Xyelini (Hymenoptera: Xyelidae) and New Fossil Records from the Lower Cretaceous of Liaoning Province, China

open access: yesInsects
Three new species—Enneoxyela aculeata sp. nov., Enneoxyela eucalla sp. nov., and Hemixyela elongata gen. et sp. nov.—are described and illustrated from the Lower Cretaceous Yixian Formation at Huangbanjigou, Liaoning Province, China.
Xiaoqin Li   +2 more
doaj   +1 more source

Working 9 to 5: Diurnal Variability in Terrestrial Invertebrate Activity Does Not Compromise Ecosystem Health Assessments in Dry Stream Channels

open access: yesRiver Research and Applications, Volume 42, Issue 3, Page 676-688, March 2026.
ABSTRACT Temporary streams are impacted by climate change and other anthropogenic pressures, but fluctuating water levels complicate ecological assessments. Terrestrial invertebrate communities may enable dry‐phase assessments, but their sampling can be resource intensive.
Kieran J. Gething   +6 more
wiley   +1 more source

Zigadenus Sawfly [PDF]

open access: yes, 2005
The South Carolina Department of Natural Resources published guides to many threatened animals living in the state. This guide gives information about the Zigadenus Sawfly, including description, status, habitat, conservation challenges ...
Smith, David R.
core  

Trait‐mediated indirect interactions: Moose browsing increases sawfly fecundity through plant‐induced responses

open access: yesEcology and Evolution, 2019
Induced responses in plants, initiated by herbivory, create potential for trait‐mediated indirect interactions among herbivores. Responses to an initial herbivore may change a number of plant traits that subsequently alter ecological processes with ...
Michelle Nordkvist   +5 more
doaj   +1 more source

Geographic Variation in the Diet of Red Knot (Calidris canutus) Chicks Reflects Local Prey Communities

open access: yesJournal of Biogeography, Volume 53, Issue 3, March 2026.
ABSTRACT Aim To describe and compare the diets of an Arctic‐breeding shorebird, the Red Knot (Calidris canutus), across three geographically distinct breeding sites. We aimed to document the dietary patterns and identify key prey groups that characterise each population's foraging ecology.
Reinier Blok   +12 more
wiley   +1 more source

DESCRIPTIONS OF SAWFLY LARVÆ [PDF]

open access: yesThe Canadian Entomologist, 1899
Macroxyela ferruginea.—Larva is about 1.5 cm. long and caterpillar-like, green with yellowish-white markings, prolegs on every abdominal segment, anal area smooth and concolorous with the body antennæ six-jointed. Feeds on Ulmus mericana.Head green; antennæ green, except three brown distal joints and a brown ring around the middle of the second and ...
openaire   +2 more sources

Poplar tree blotch leaf-miner, Fenusella hortulana (Klug) (Hymenoptera: Tenthredinidae), a pest of Populus in Iran with review of its geographical distribution [PDF]

open access: yesJournal of Insect Biodiversity and Systematics, 2017
Poplar tree blotch leaf-miner,Fenusella hortulana (Klug, 1818) (Hym.: Tenthredinidae) is widely distributed in the West Palaearctic. During field surveys in the northwest of Iran, we recently found this species in Sarab, East-Azarbaijan Province.
Hossein Lotfalizadeh   +2 more
doaj  

Seasonal Abundance of Mustard Aphid, Lipaphis Erysimi (Kalt.) and Saw Fly, Athalia Lugens Proxima (Klug) in Relation to Abiotic Factors and their Eco-Friendly Management

open access: yesInternational Journal of Bio-Resource and Stress Management, 2023
Effect of weather on abundance of mustard aphid and sawfly and their eco-friendly management was studied during 2011-13. Mustard aphid, Lipaphis erysimi  appeared first in 49th and 50th standard week and reached maximum in 2nd standard week (49.07 and ...
H. Kalita   +3 more
doaj  

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