Results 31 to 40 of about 40,257 (259)

SUPERNUMERARY LARVAL INSTARS IN CYCLORRHAPHOUS DIPTERA

open access: yesThe Biological Bulletin, 1972
1. The developmental program for metamorphosis is determined in third instar larvae of Calliphora and Sarcophaga very early after ecdysis. The process is activated by feeding and can be delayed for many days by starvation.2. High doses of ecdysterone (20 µg per larva) injected just after ecdysis or in starved larvae cause a precocious molt and the ...
Žďárek, Jan, Slama, K
openaire   +4 more sources

Subversion of Atypical Mucin Traps by a Spore‐Coat Effector Blocks Cellular Immunity in Drosophila

open access: yesAdvanced Science, EarlyView.
While the entomopathogenic fungus Metarhizium robertsii can evade insect humoral immunity, its subversion of cellular defenses is still elusive. We identify Eac1 as a spore‐coat protein essential for infecting drosophilids by targeting atypical mucins (Sgf1 and Sgf2), which can entrap spores in a gel matrix and thereby facilitate hemocyte encapsulation.
Shiqin Li   +7 more
wiley   +1 more source

LT50 of fourth instar larvae after oral infection.

open access: yes, 2022
LT50 of fourth instar larvae after oral infection.
Huabing Wang (2031721)   +7 more
core   +1 more source

Interference of ATP‐Binding Cassette Transporter by Functional Nano‐Delivery System for High Efficiency Management of Insecticide‐Resistant Nilaparvata lugens

open access: yesAdvanced Science, EarlyView.
A ZIF‐90 nanocarrier delivers dinotefuran and suppresses NlABCG3 and NlABCH1 in resistant Nilaparvata lugens. This system combines pH/ATP‐triggered release with enhanced foliar retention, improving efficacy while sparing honeybees and promoting rice growth, offering a promising resistance‐breaking strategy.
Chengshuai He   +9 more
wiley   +1 more source

Context-Dependent Anti-Predator Behavior in Nymphs of the Invasive Spotted Lanternfly (Lycorma delicatula): Effects of Development, Microhabitat, and Social Environment

open access: yesInsects
Antipredator behaviors in animals often vary with developmental stage, microhabitat, and social context, yet few studies examine how these factors interact in species that undergo ontogenetic shifts in chemical defense.
Ellen van Wilgenburg   +2 more
doaj   +1 more source

Asymmetric Evolution of Antennal Cell Types Underlies a Derived Ammonia‐Sensing Logic for Ecological Adaptation in Bactrocera dorsalis

open access: yesAdvanced Science, EarlyView.
Comparative antennal single‐nucleus transcriptomics reveals cell‐type‐dependent transcriptomic divergence in Bactrocera dorsalis, with similar structural cells but divergent sensory neurons. This neuronal diversification is associated with a distinct ammonia‐sensing pathway, linking female attraction to bird‐dropping‐associated cues with nutritional ...
Wei Liu   +7 more
wiley   +1 more source

INTRAGUILD PREDATION AMONG DIFFERENT LARVAL INSTARS OF Metasyrphus corollae (F.) (DIPTERA: SYRPHIDAE) AND Exochomus nigromaculatus (GOEZE) (COLEOPTERA: COCCINELLIDAE) [PDF]

open access: yesJournal of Plant Protection and Pathology, 2010
The interspecific interactions between different larval instars of two aphidophagous predator species,M. corollaeand E. nigromaculatus were examined under laboratory conditions.
Wessam Bessadah   +3 more
doaj   +1 more source

TEMPERATURE CHARACTERISTICS FOR DURATION OF AN INSTAR IN CLADOCERANS [PDF]

open access: yesJournal of General Physiology, 1926
1. The temperature characteristics for the rate of development during a well defined instar were determined for three species of Cladocera, and found to be of the same general magnitudes as those obtained for rates of development and of O2 consumption in other arthropods. 2.
openaire   +2 more sources

Herbivory‐Induced Stomatal Opening Triggers the Dispersal of an Invasive Insect Herbivore

open access: yesAdvanced Science, EarlyView.
The invasive leafminer Phthorimaea absoluta uniquely manipulates plant defenses by inducing stomatal opening in tomato. This response, mediated by the stomatal regulator IQM1, enhances the release of the repellent volatile benzaldehyde. This volatile triggers the dispersal of adult moths, facilitates colonization of new hosts, and leads to rapid ...
Limin Chen   +10 more
wiley   +1 more source

Histological study of SlNPV infection on body weight and peritrophic membrane damage of Spodoptera litura larvae [PDF]

open access: yes, 2010
Sanjaya, Machmudin D, Kurniawati ND. 2010. Kajian histologis infeksi SlNPV terhadap berat badan dan kerusakan membran peritrofik larva Spodoptera litura. Nusantara Bioscience 2: 135-140.
KURNIAWATI, NANIN DIAH   +2 more
core  

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