Results 121 to 130 of about 109,726 (247)

The relative importance of crop pests in South Asia (NRI Bulletin No. 39) [PDF]

open access: yes, 1991
This is the second in a series of regional studies of crop pest importance carried out by the Natural Resources Institute (NRI). The aim of this study was to assess the relative economic importance of crop pests in the cropping systems of South Asia ...
Geddes, A.M.W., Iles, Malcolm
core  

Description of a new species of Orseolia (Diptera: Cecidomyiidae) from Paspalum in West Africa, with notes on its parasitoids, ecology and relevance to natural biological control of the African rice gall midge, O. oryzivora [PDF]

open access: yes, 2017
Field sampling of grasses growing in and near rice fields at 12 sites in Nigeria during April/May 1994 recorded the presence of galls on Paspalum scrobiculatumat densities of up to 10.9 galls per m2. These galls were induced by Orseolia bonzii Harris, sp.
Harris, K.M.   +4 more
core  

Integrated and Ecological Crop Protection (I/ECP) [PDF]

open access: yes, 2002
Manual on integrated and ecological crop ...
Garcia Diaz, A., Sukkel, W.
core   +2 more sources

Mango gall midge.

open access: yesPlantwisePlus Knowledge Bank, 2021
S. Rajeshkanna
semanticscholar   +1 more source

Presence of ephedra gall midge, Ephedromyia debilopalpis Marikovskij (Diptera: Cecidomyiidae) in Iran [PDF]

open access: yesJournal of Insect Biodiversity and Systematics, 2018
We reared Ephedromyia debilopalpis Marikovskij (Dip.: Cecidomyiidae) for the fist time on Ephedra major (Ephedraceae) in the northwest of Iran in 2016. This is the new record of the genus and species for Iran.
Omid Hadi   +3 more
doaj  

Reed canary grass observations of effects on crop stand and fibre quality caused by infestation of Epicalamus phalaridis

open access: yesAgricultural and Food Science, 2008
A severe infestation of the gall midge Epicalamus phalaridis (Diptera: Cecidomyiidae)occurred in a field of reed canary grass, Phalaris arundinacea in northern Sweden.
S. HELLQVIST, M. FINELL, S. LANDSTRĂ–M
doaj  

Home - About - Disclaimer - Privacy