Results 111 to 120 of about 72,052 (310)

Chitosan‐protected dsRNA increases efficacy against Helicoverpa armigera without compromising biosafety for pollinators

open access: yesPest Management Science, EarlyView.
Chitosan/tripolyphosphate/double‐stranded RNA (dsRNA) nanoparticles enhance RNA interference efficacy of orally delivered dsRNA against Helicoverpa armigera. Nanoparticles reduce the LC50 and do not cause deleterious effects or toxicity on beneficial insects.
Daniel DN Vasquez   +12 more
wiley   +1 more source

Relative Influence of Prior Life Stages and Habitat Variables on Dragonfly (Odonata: Gomphidae) Densities among Lake Sites

open access: yesDiversity, 2011
Many aquatic species have discrete life stages, making it important to understand relative influences of the different habitats occupied within those populations.
Alysa Remsburg
doaj   +1 more source

Leaf penetration by endophytic Metarhizium brunneum enables infection of Phthorimaea absoluta in tomato mines while inducing the crop defense system

open access: yesPest Management Science, EarlyView.
Spraying Metarhizium brunneum on tomato plants controls heterogeneous and upcoming Phthorimaea absoluta populations by infecting larvae within mines and priming plant induced systemic defences. Abstract BACKGROUND The endophytic entomopathogenic fungus Metarhizium brunneum Petch EAMa 01/58‐Su shows strong potential for managing Phthorimaea absoluta, a ...
Esther Aguilera Cuenca   +5 more
wiley   +1 more source

Life cycle of Spodoptera frugiperda J. E. Smith FED with Pennisetum purpureum Schumach and Paspalum conjugatum PJ Bergius leaves [PDF]

open access: yesBIO Web of Conferences
Spodoptera frugiperda is a pest that entered Indonesia and attacks corn plants. This pest can use other plants to complete its life cycle. This study aims to analyze the growth and life cycle of S.
Putra Ichsan Luqmana Indra   +1 more
doaj   +1 more source

Retinal development during the third larval instar of Drosophila Melanogaster [PDF]

open access: yes, 1984
One of the major aims of the developmental biologist is to establish how a highly complex multicellular organism is derived from its unicellular zygotic origin. This thesis describes an investigation into the retinal development of Drosophila melanogaster during its third larval instar in an attempt to understand how the highly ordered and complex ...
openaire   +1 more source

HvarAKR1B1‐mediated tolerance in Hippodamia variegata: Deciphering the metabolic adaptation and fitness costs under prolonged starvation

open access: yesPest Management Science, EarlyView.
Starvation stress significantly affected the growth and development of Hippodamia variegata. Combined transcriptome and metabolome analysis and RNA interference verification revealed that HvarAKR1B1 may be involved in the response of Hippodamia variegata to starvation stress.
Bing‐mei Song   +5 more
wiley   +1 more source

Description of the larva of Phyllopetalia apollo Selys and redescription of that of Hypopetalia pestilens Mclachlan (Anisoptera: Austropetalidae) [PDF]

open access: yes, 2009
The P. apollo larva is described for the first time and the larva of H. pestilens is redescribed.These are the first records of these spp. for Argentina and for the easternslope of the Andes. In order to determine the larval instars, length of inner wing
Brand, Cecilia, Pessacq, Pablo
core  

Urban agriculture and Anopheles habitats in Dar es Salaam, Tanzania. [PDF]

open access: yes, 2009
A cross-sectional survey of agricultural areas, combined with routinely monitored mosquito larval information, was conducted in urban Dar es Salaam, Tanzania, to investigate how agricultural and geographical features may influence the presence of ...
Castro, Marcia C   +10 more
core   +3 more sources

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