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The sensory structures of the antennal flagellum in Hyalesthes obsoletus (Hemiptera: Fulgoromorpha: Cixiidae): a functional reduction?
TLDR
A study on the sensillum types and distribution on the flagellum of the planthopper Hyalesthes obsoletus Signoret, an efficient vector of the stolbur phytoplasma, the cause of various crop diseases finds the presence of 6 sensilla, which might be involved in the perception of mechanical stimuli, temperature and humidity variations and CO(2) concentration.
A new role for antennation in paper wasps (Hymenoptera,Vespidae): antennal courtship and sex dimorphic glands in antennomeres
TLDR
In several antennomeres of males of P. dominulus and Vespa crabro, a further species in which male antennation was observed, secretory cells of class 1 and 3 associated to the same release site may act as a contact or low-volatile sex pheromone during courtship behaviour.
Insight into the proximate composition and microbial diversity of edible insects marketed in the European Union
TLDR
The high diversity in the chemical composition and microbial profile of the marketed edible insects analyzed suggest a role of both the rearing and processing procedures on these variables, and encourage the exploitation of edible insects as a valuable large-scale, animal-based commodity.
Use of entomopathogenic nematodes for the control of Paysandisia archon Burmeister.
Abstract : A preventative and a curative field trial were carried out in 2008 on in-ground and potted Trachycarpus fortunei (Hooker) Wendland palms in order to evaluate the efficacy of two different
Sexual size differences and colour polymorphism of Rhynchophorus phoenicis in the Southwest region of Cameroon.
A total of 174 specimens of the African palm weevil Rhynchophorus phoenicis (F.) were sampled during 2010, in eight different localities of the Southwest region of Cameroon. Male and female weevils
Perception of Host Plant Volatiles in Hyalesthes obsoletus: Behavior, Morphology, and Electrophysiology
TLDR
The Palearctic planthopper Hyalesthes obsoletus is the natural vector of the grapevine yellow disease Bois noir and at least two types of olfactory sensilla at the antennal pedicel: plaque organs and trichoid sensilla are shown.
Antennal glands in male bees: structures for sexual communication by pheromones?
TLDR
Morphological investigations were conducted on male antennae of three Apidae species, Apis mellifera, Bombus pascuorum and Xylocopa violacea, with some differences regarding both external morphological characters and internal cytological features.
Relationships among Hyalesthes obsoletus, its herbaceous host plants and "bois noir" phytoplasma strains in vineyard ecosystems in the Marche region (central-eastern Italy)
The relationships between the planthopper Hyalesthes obsoletus, its herbaceous host plants (nettle and bindweed), and “bois noir” phytoplasma strains (tuf-type) were studied in five different
Fine structure of antennal sensilla of the spittlebug Philaenus spumarius L. (Insecta: Hemiptera: Aphrophoridae). I. Chemoreceptors and thermo-/hygroreceptors.
The meadow spittlebug, Philaenus spumarius (L.) (Hemiptera: Cercopoidea: Aphrophoridae), is a polyphagous species that transmits Xylella fastidiosa, a bacterium associated with "Olive Quick Decline
Fluid dynamics in the functional foregut of xylem-sap feeding insects: a comparative study of two Xylella fastidiosa vectors.
TLDR
A hydrodynamic model of the foregut of these two insect species, focusing on the precibarium, indicated that full bacterial colonization significantly increased the mean sap-sucking flow velocity, and probably influences fitness of the G. atropunctata more than that of P. spumarius.
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