Results 21 to 30 of about 4,512 (212)

A NEW SAWFLY [PDF]

open access: yesThe Canadian Entomologist, 1903
The Sawfly here described is a common pest on the leaves of various speices of Populus in Montana, and a Bulletin dealing with its life-histroy and economic significance is about to be published from the Montana Experiment Station. We give here an outline of its life-history, followed by descriptions of the two sexes.The adults appear on the foliage in
openaire   +1 more source

First record of the sawfly family Xyelidae (Hymenoptera) from Malta [PDF]

open access: yes, 2016
Xyela cf. altenhoferi Blank, 2013 is recorded from Buskett (Malta). Its host is Pinus halepensis.
Mifsud, David, Liston, Andrew D.
core   +1 more source

The Peach Sawfly: A Correction. [PDF]

open access: yesJournal of Economic Entomology, 1908
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +2 more sources

Experimental evidence for associational resistance against the European pine sawfly in mixed tree stands

open access: yesSilva Fennica, 2007
This study examined whether the saplings of Scots pine (Pinus sylvestris) exhibit associational resistance against the European pine sawfly Neodiprion sertifer (Hymenoptera, Diprionidae) when grown in a mixture with 50% silver birch (Betula pendula ...
Kaitaniemi, Pekka   +3 more
doaj   +1 more source

Aproceros leucopoda (Hymenoptera: Argidae): An East Asian pest of elms (Ulmus spp.) invading Europe

open access: yesEuropean Journal of Entomology, 2010
An invasive sawfly Aproceros leucopoda Takeuchi, 1939, which originates from East Asia, has colonized elms (Ulmus spp.) in Austria, Hungary, Poland, Romania, Slovakia and the Ukraine, at least since 2003.
Stephan M. BLANK   +10 more
doaj   +1 more source

Interacting effects of insect and ungulate herbivory on Scots pine growth

open access: yesScientific Reports, 2020
Most plants are subjected to damage from multiple species of herbivores, and the combined impact on plant growth can be non-additive. Since plant response to herbivores tends to be species specific, and change with repeated damage, the outcome likely ...
Michelle Nordkvist   +3 more
doaj   +1 more source

A new species of Mesoneura (Hymenoptera, Tenthredinidae) associated with a xerothermic oak forest in the Western Carpathians, Slovakia [PDF]

open access: yesJournal of Hymenoptera Research, 2023
A new species of tenthredinid sawfly, Mesoneura tematinensis Roller, sp. nov., was discovered in the Tematinske kopce Mountains in the Western Carpathians in Slovakia.
Ladislav Roller, Ján Kočišek
doaj   +3 more sources

Stem solidness as an important factor for wheat protection from European wheat stem sawfly (Cephus pygmaeus L.) in Altai

open access: yesТруды по прикладной ботанике, генетике и селекции, 2022
Background. European wheat stem sawfly (Cephus pygmaeus L.) is the main pest of wheat in Altai Territory, Russia. Resistance of host plants to this insect is based on a solid stem. The effect of a solid stem on the infestation of wheat stem sawfly larvae
S. B. Lepekhov   +2 more
doaj   +1 more source

Some ethological aspects of the trophobiotic interrelations between ants (Hymenoptera: Formicidae) and larvae of the sawfly Blasticotoma filiceti (Hymenoptera: Blasticotomidae)

open access: yesEuropean Journal of Entomology, 2011
Some ethological aspects of the interrelations between ants and the larvae of Blasticotoma filiceti Klug, 1834 were investigated in the Altai Republic and Novosibirsk Region in 2006-2008.
Tatiana A. NOVGORODOVA   +1 more
doaj   +1 more source

EVALUATION OF SOME POPULAR MUSTARD VARIETIES AGAINST APHID AND SAWFLY ATTACK UNDER FIELD CONDITION [PDF]

open access: yes, 2022
A Thesis Submitted to the Institute of Seed Technology, Sher-e-Bangla Agricultural University, Dhaka, In Partial fulfillment of the requirements for the degree of MASTER OF SCIENCE IN SEED TECHNOLOGYA field experiment was conducted at Sher-
BEGUM, TAHURA
core  

Home - About - Disclaimer - Privacy