Results 51 to 60 of about 4,512 (212)
Commodity risk assessment of Robinia pseudoacacia plants from the United Kingdom
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
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
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
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
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
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
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]
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]
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
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

