Results 11 to 20 of about 2,313,260 (345)

Meta-analysis reveals declines in terrestrial but increases in freshwater insect abundances

open access: yesScience, 2020
Local drivers of decline matter Recent studies have reported alarming declines in insect populations, but questions persist about the breadth and pattern of such declines. van Klink et al.
Roel van Klink   +5 more
semanticscholar   +1 more source

An Entomopathogenic Nematode by Any Other Name [PDF]

open access: yes, 2012
Among the diversity of insect-parasitic nematodes, entomopathogenic nematodes (EPNs) are distinct, cooperating with insect-pathogenic bacteria to kill insect hosts.
Adams, Byron J.   +6 more
core   +3 more sources

Evolutionarily conserved elements in vertebrate, insect, worm, and yeast genomes.

open access: yesGenome Research, 2005
We have conducted a comprehensive search for conserved elements in vertebrate genomes, using genome-wide multiple alignments of five vertebrate species (human, mouse, rat, chicken, and Fugu rubripes).
A. Siepel   +15 more
semanticscholar   +1 more source

Laying hen performance, feed economy, egg quality and yolk fatty acid profiles from laying hens fed live black soldier fly larvae

open access: yesCzech Journal of Animal Science, 2023
The black soldier fly (Hermetia illucens) serves as an alternative source of protein in poultry production. However, there is little available information on feeding live black soldier fly larvae (LBSFL) to hens.
Kanda Lokaewmanee   +6 more
doaj   +1 more source

More than 75 percent decline over 27 years in total flying insect biomass in protected areas

open access: yesPLoS ONE, 2017
Global declines in insects have sparked wide interest among scientists, politicians, and the general public. Loss of insect diversity and abundance is expected to provoke cascading effects on food webs and to jeopardize ecosystem services.
C. Hallmann   +11 more
semanticscholar   +1 more source

The mitochondrial genome of Ectropis dentilineata Moore, 1868 (Lepidoptera: Geometridae) from tea plantations in Guizhou province, China

open access: yesAll Life, 2023
Ectropis dentilineata Moore, 1868 has a wide geographic distribution while its genome data are largely unknown. In this study, we collected samples of E. dentilineata from a tea plantation in Guizhou province, China.
Zhaohe Lu   +5 more
doaj   +1 more source

Gain control in olfactory receptor neurons and the detection of temporal fluctuations in odor concentration

open access: yesFrontiers in Physiology, 2023
The ability of the cockroach to locate an odor source in still air suggests that the temporal dynamic of odor concentration in the slowly expanding stationary plume alone is used to infer odor source distance and location.
Harald Tichy, Maria Hellwig
doaj   +1 more source

Herbivory increases diversification across insect clades. [PDF]

open access: yes, 2015
Insects contain more than half of all living species, but the causes of their remarkable diversity remain poorly understood. Many authors have suggested that herbivory has accelerated diversification in many insect clades. However, others have questioned
Lapoint, Richard   +2 more
core   +1 more source

Mechanisms, Applications, and Challenges of Insect RNA Interference.

open access: yesAnnual Review of Entomology, 2020
The RNA interference (RNAi) triggered by short/small interfering RNA (siRNA) was discovered in nematodes and found to function in most living organisms.
K. Zhu, S. R. Palli
semanticscholar   +1 more source

Notes on Insect Injection, Anesthetization, and Bleeding. [PDF]

open access: yes, 2017
(excerpt) In recent years there has been a burgeoning interest in insect cytogenetics, sometimes involving in vivo cultures of haematocytes for chromosomal analysis.
de Viedma, M. G, Nelson, M. L
core   +3 more sources

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