Ultrastructural and Functional Organization of Maxillary Palps in Ladybird Species (Coleoptera: Coccinellidae) With Different Feeding Preferences. [PDF]
Insects antennae serve as their primary sensory organs, playing a crucial role both in intra- and interspecific communication, a trait shared across the entire class Insecta.
Sevarika M, Romani R.
europepmc +2 more sources
Impact of elevated CO<sub>2</sub> level and egg quiescence duration on gene expression in the peripheral olfactory system of Aedes aegypti. [PDF]
Elevation in CO2 can significantly impact the biology of various organisms, affecting life-history traits of both aquatic and terrestrial forms, including disease-vectoring mosquitoes. For mosquitoes, this effect is accentuated by egg quiescence duration,
Nalikkaramal S, Hill SR, Ignell R.
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Transcriptional responses of Aedes aegypti chemosensory tissues in response to volatile DEET and citronella oil. [PDF]
Aedes aegypti females were significantly repelled by both volatile DEET and citronella oil in comparison to control (ethanol‐exposed) mosquitoes. Global gene expression changes were largest in the mosquito mouthparts, with notable downregulation of the three subunits comprising the mosquito CO2 receptor (Gr1, 2 and 3).
Drahun I +3 more
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The Cephalic Morphology of Protopselaphus-A Phylogenetic Connecting Link in Staphylinidae (Coleoptera). [PDF]
The head morphology including soft tissues of an ethanol‐preserved specimen of Protopselaphus was examined using synchrotron‐µCT and SEM and interpreted with respect to their possible phylogenetic implications. Our findings strongly support the monophyly of Protopselaphinae + Pselaphinae, with adult cephalic synapomorphies including the vertical ...
Yavorskaya MI +3 more
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Anatomical Investigation Reveals a Second Olfactory System in Locusts. [PDF]
We traced chemosensory pathways from locust palps through the central nervous system. Olfactory input from basiconic sensilla targets the glomerular lobe and accessory calyx, whereas gustatory input is restricted to gnathal circuits. Thus, the palp and antennal olfactory pathways form parallel but separate systems.
Aldworth ZN +5 more
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Distinctive gene expression in the reduced first thoracic legs of a nymphalid butterfly. [PDF]
Transcriptome analysis reveals that the small non‐walking front legs of a butterfly have distinct gene expression to the four walking legs. Reduced front legs express a gene with putative mechanosensory roles, a blue‐sensitive opsin and two homeobox genes.
Hoile AE, Mulhair PO, Holland PWH.
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Antennae and maxillary palps are the most important chemical reception organs of flies. So far, the morphology of antennae and maxillary palps of flies of most feeding habits have been well described, except for that of relatively rare aquatic predatory ...
Genting Liu +5 more
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A new bizarre dysoneurid species (Insecta, Trichoptera) in Burmese amber [PDF]
We describe an extinct caddisfly species, Cretapsyche palpinova sp. nov., from mid-Cretaceous Burmese amber. The species belongs to the extinct family Dysoneuridae within the superfamily Sericostomatoidea.
W. Wichard, C. Neumann
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Commercial permethrin elicits chemoreceptive responses on different Anopheles gambiae sensory appendages. [PDF]
Anopheles gambiae mosquitoes exhibit takeoff responses when presented to commercial permethrin headspace. This product elicits electrophysiological activity in the antennae and tarsi. However, only the chemical information acquired from the tarsi plays a major role in the observed behavioral response.
Kambou SS +4 more
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THE ULTRASTRUCTURE OF SENSILLA ASSOCIATED WITH MOUTHPARTS AND ANTENNAE OF LUCILIA CUPRINA [PDF]
Antennal and maxillary palps of Lucilia cuprina male and female (family: Calliphoridae) were studied using scanning electron microscopy. Five types of sensilla were observed namely: trichoid, basiconic, coeloconic, styloconic and sensory pit.
MOHAMMAD KAMEL +4 more
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