Results 31 to 40 of about 494 (174)

Trophic networks associated with the aphid, Rhopalosiphum maidis (Fitch) (Hemiptera: Aphididae) in a cornfield, Manabí, Ecuador

open access: yesScientia Agropecuaria, 2022
The corn leaf aphid is considered an important pest associated with maize. This study aimed to discover the trophic associations around Rhopalosiphum maidis in Manabí, Ecuador.
Jesús A. Centeno-Parrales   +2 more
doaj   +1 more source

Diversity, abundance and pollination efficiency of insect pollinators of fennel (Foeniculum vulgare Miller) and effect of abiotic factors on insect pollinator activity [PDF]

open access: yes, 2015
Biodiversity of insect pollinators on fennel cv. HF-143 (Foeniculum vulgare Miller), was studied in Hisar, Haryana, India. Twenty-five insect species belonging to fifteen families of five orders were recorded from fennel flowers, in which, seven belong ...
Ahlawat, Dilbag Singh   +5 more
core   +2 more sources

First formal record of Cheilomenes sexmaculata (Coleoptera: Coccinellidae) in Mexico

open access: yesRevista de la Sociedad Entomológica Argentina, 2022
The presence of the coccinellid Cheilomenes sexmaculata (Fabricius) is formally reported for the first time in Mexico, on September 10th, 2021, in the Edzná Valley, in the state of Campeche, in corn cultivation.
openaire   +1 more source

Records of predators of the green apple aphid, Aphis pomi De Geer, from Himachal Pradesh

open access: yesEnvironment Conservation Journal, 2019
Nine species of coccinellids (Coleoptera: Coccinellidae) and three species of syrphid (Diptera: Syrphidae) predators of the green apple aphid, Aphis pomi De Geer, occurring in apple nurseries in Himachal Pradesh are reported.
M. Kumari
doaj   +1 more source

Evaluation of insecticides against cotton mealybug, Phenacoccus solenopsis Tinsley and their safety to important predators [PDF]

open access: yes, 2021
254-262Cotton plays an important role in the world economy by supplying raw materials to different manufacturing units. Of late, it is being seriously attacked by the cotton mealybug, Phenacoccus solenopsis Tinsley.
Chander, Subhash   +3 more
core   +4 more sources

Comparative study of insecticide resistance management strategies against brinjal shoot and fruit borer (Leucinodes orbonalis) (Lepidoptera: Crambidae)

open access: yesThe Indian Journal of Agricultural Sciences, 2021
An experiment was conducted for kharif (2015-16 to 2017-18) in the field conditions to evaluate different insecticide usage tactics as resistance management strategies against Leucinodes orbonalis Guenee a serious shoot and fruit borer pest of brinjal ...
TAMOGHNA SAHA, NITHYA CHANDRAN
doaj   +1 more source

Insectos depredadores del Aphis nerii (Hemiptera – Aphididae) en plantas de Asclepias curasavica L. en Satipo, Junín, Perú [PDF]

open access: yes, 2023
The Asclepias curasavica plant is host to the monarch butterfly (Danaus plexipus), hence its importance; but it is attacked by the yellow aphid Aphis nerii.
Alomia - Lucero, José Manuel   +3 more
core   +2 more sources

Effects of different wavelengths of light on the life attributes of two aphidophagous ladybirds (Coleoptera: Coccinellidae)

open access: yesEuropean Journal of Entomology, 2005
The effect of different wavelengths of light, white (control; broad spectrum), blue (ca. 475 nm), yellow (ca. 570 nm) and red (ca. 650 nm), at constant intensity (195 ± 5 lux) on developmental time, reproductive and non-reproductive periods, fecundity ...
OMKAR, Geetanjali MISHRA, Kalpana SINGH
doaj   +1 more source

Slow and fast development in ladybirds: occurrence, effects and significance [PDF]

open access: yesWeb Ecology, 2012
Developmental and growth rates are known to vary in response to genetic, developmental, physiological and environmental factors. However, developmental variations that exist within a cohort under any constant rearing condition are not so well ...
G. Mishra, Omkar
doaj   +1 more source

Effects of diet on development and reproductive fitness of two predatory coccinellids (Coleoptera: Coccinellidae)

open access: yesEuropean Journal of Entomology, 2015
Studies of prey suitability are needed to develop efficient mass rearing programs for generalist predators and to understand their potential contribution to integrated pest management.
Mohammad A. MIRHOSSEINI   +2 more
doaj   +1 more source

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