Results 161 to 170 of about 1,702 (212)

17‐epi‐Melianodiol, a new protolimonoid from Melia azedarach fruits, exhibits larvicidal activity and is associated with oxidative imbalance and midgut epithelial damage in Aedes aegypti larvae

open access: yesPest Management Science, Volume 82, Issue 9, Page 9240-9248, September 2026.
The bio‐guided phytochemical study resulted in the new compound 17‐epi‐melianodiol. The compound eliminated 100% of Aedes aegypti larvae at 100 ppm, causing pronounced morphological changes, cuticular damage, and extensive vacuolization. Abstract BACKGROUND In Brazil, Aedes aegypti is the primary vector of arboviruses such as dengue, chikungunya ...
Kethleen Duarte Crespo Soares   +8 more
wiley   +1 more source

Beyond Postmortem Interval Estimation: The Use of Insects for the Investigation of Fatal Sexual Assaults

open access: yesWIREs Forensic Science, Volume 8, Issue 3, September 2026.
Sperm cells/heads from within the crop of a third instar larva. ABSTRACT Sexual assaults including unwanted sexual touching and rape are continuously occurring within England and Wales, despite police intervention. Furthermore, as seen within recent media reports, these types of offenses can occur immediately prior to homicide.
Alexine Clarke
wiley   +1 more source

Transfer of Potentially Toxic Metal(loid)s From Ultramafic Soils in a Tri‐Trophic Food Chain Experiment

open access: yesEcological Research, Volume 41, Issue 5, September 2026.
Potentially toxic metal(loid)s (PTMs) bioaccumulated across a plant‐herbivore‐predator food chain. Irrespective of soil concentrations, female crickets actively selected PTM‐enriched leaves, while predatory mantids showed no developmental impairment. Trophic transfer of PTMs was rather influenced more by a function of intrinsic species traits than by ...
João Marcelo‐Silva   +3 more
wiley   +1 more source

ON THE EGGS AND FIRST-INSTAR LARVAE OF TWO SPECIES OF MANTISPIDAE

open access: yesON THE EGGS AND FIRST-INSTAR LARVAE OF TWO SPECIES OF MANTISPIDAE
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Ecology and Behavior of First Instar Larval Lepidoptera

Annual Review of Entomology, 2002
▪ Abstract  Neonate Lepidoptera are confronted with the daunting task of establishing themselves on a food plant. The factors relevant to this process need to be considered at spatial and temporal scales relevant to the larva and not the investigator.
Zalucki, Myron   +2 more
openaire   +5 more sources

Changes in Haemolymph Proteins in First Instar Locusts

Archives Internationales de Physiologie et de Biochimie, 1966
A number of studies have recently shown that the hacmolymph proteins of Insects change during development. Most of the work in this field has however been done on holometabolous Insects, while only a few studies have been made on the Hemimetabola (STEINHAUER and STEPHEN, 1959 on Periplanefa ; MISSELIJN, KARCHER, DE KEYSER, and VAN SANDE, 1959 on ...
F W, McCormick, A, Scott
openaire   +2 more sources

It's the first bites that count: Survival of first-instar monarchs on milkweeds

Austral Ecology, 2001
AbstractMortality of first instars is generally very high, but variable, and is caused by many factors, including physical and chemical plant characters, weather and natural enemies. Here, a summary of detailed field‐based studies of the early‐stage survival of a specialist lepidopteran herbivore is presented.
Zalucki, Myron   +5 more
openaire   +4 more sources

The pattern of feeding of first instar nymphs of Schistocerca americana

Physiological Entomology, 1990
ABSTRACT The feeding behaviour of nymphs Schistocerca americana (Drury) was recorded throughout the light phases of the first stadium using a behavioural event recording program on a microcomputer.
Chapman, R.F., Beerling, E.A.M.
openaire   +1 more source

The First Instar Larva of Nothohoraia (Diptera: Blephariceridae)

Aquatic Insects, 1999
The first instar larva of the net-winged midge, Nothohoraia micrognathia Craig, 1969 (Diptera: Blephariceridae) is described. Instead of the primitive ring of eversible hooklets the pseudopods possess stiff apical setae. This character expression suggests that Nothohoraia is more closely related to the advanced Apistomyiini occurring outside New ...
Zwick, P., McLellan, I.
openaire   +2 more sources

Notes on the first instar larvae of Ctenophora and Nephrotoma (Diptera, Tipulidae)

Zootaxa, 2014
1830 egg-larvae of 7 species belonging to long palped crane flies (Tipulidae): Ctenophora guttata Meigen, Nephrotoma pratensis Linnaeus, N. dorsalis Fabricius, N. scurra Meigen, N. flavescens Linnaeus, N. submaculosa Edwards and N. crocata Linnaeus were obtained from 22 females captured in Lithuania in 2011–2012.
Podeniene, Virginija   +2 more
openaire   +3 more sources

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