Physiological Entomology
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Control of ventilatory movements in the aquatic insect Corydalus comutus: central effect of hypoxia
Physiological Entomology - Tập 9 Số 1 - Trang 19-28 - 1984
ABSTRACT. The influence of hypoxia and hypercapnia on the ventilatory rhythm of
the hellgrammite Corydalus cornutus L. (Megaloptera) was studied. In intact
animals the frequency of rhythmic retractions and protractions of abdominal
gills is increased by hypoxia (10% O2, 90% N2) but no ventilatory response is
elicited by hypercapnia (1–5% CO2, 20% O2, 75–79% N2).The ventilatory motor
pattern was ex...
Vibrational communication of the brown marmorated stink bug (Halyomorpha halys)
Physiological Entomology - Tập 41 Số 3 - Trang 249-259 - 2016
AbstractCommunication with substrate‐borne vibrational signals is common in the
family Pentatomidae, although this aspect of biology of the invasive
pestHalyomorpha halysStål remains unexplored so far. In the present study, the
behaviour of single animals and pairs is observed on a bean plant and a
loudspeaker membrane at the same time as recording substrate vibrations with a
laser vibrometer, wit...
Comparing the effects of five naturally occurring monosaccharide and oligosaccharide sugars on longevity and carbohydrate nutrient levels of a parasitic phorid fly, Pseudacteon tricuspis
Physiological Entomology - Tập 31 Số 1 - Trang 46-56 - 2006
Abstract. The longevity and nutrient levels of Pseudacteon tricuspis provided
with 1 m solutions of five naturally occurring sugars, fructose, glucose,
sucrose, trehalose and melezitose, are compared. All but melezitose, result in
significant increases in the longevity of P. tricuspis in comparison with
sugar‐starved flies (flies provided with water only). Sugar‐starved female and
male P. tricusp...
Effects of sugar feeding on carbohydrate and lipid metabolism in a parasitoid wasp
Physiological Entomology - Tập 25 Số 1 - Trang 17-26 - 2000
SummaryLifetime patterns of carbohydrate and lipid metabolism were compared in
starved and sucrose‐fed adults of the parasitoid Macrocentrus grandii
(Goidanich) (Hymenoptera: Braconidae). As expected, sucrose‐fed individuals
lived longer than did starved individuals. Macrocentrus grandii males and
females eclosed with levels of simple storage sugars (presumably primarily
trehalose) and glycogen th...
Compensation by locusts for changes in dietary nutrients: behavioural mechanisms
Physiological Entomology - Tập 10 Số 4 - Trang 443-452 - 1985
ABSTRACT. The detailed behavioural mechanisms underlying an instance of
compensation for changes in dietary nutrients are described for the first time
in an insect. Nymphs of Locusta migratoria L. were given one of four artificial
diets on the third day of the fifth instar, and their feeding patterns recorded
in detail for 12 h. The diets represented combinations of two protein and two
digestible ...
Desiccation and temperature resistance of the larger grain borer, Prostephanus truncatus (Horn) (Coleoptera: Bostrichidae): pedestals for invasion success?
Physiological Entomology - Tập 46 Số 2 - Trang 157-166 - 2021
AbstractThe larger grain borer, Prostephanus truncatus (Horn) is an invasive
insect pest species of global economic concern. It however remains unknown how
P. truncatus succeeds under increasing temperatures and desiccation effects
associated with projected climate change. Here, we investigated the effects of
desiccation and high‐temperature stress on physiological fitness of P. truncatus
larvae a...
Within-generation variation of critical thermal limits in adult Mediterranean and Natal fruit flies Ceratitis capitata and Ceratitis rosa: thermal history affects short-term responses to temperature
Physiological Entomology - Tập 35 Số 3 - Trang 255-264 - 2010
Multicomponent alarm pheromones in the mandibular glands of major workers of the African weaver ant, Oecophylla longinoda
Physiological Entomology - Tập 4 Số 1 - Trang 15-25 - 1979
ABSTRACT. The complex system of alarm communication in Oecophylla longinoda is
described. The mandibular gland secretion of major workers releases in other
major workers a complex pattern of behaviour, which includes components of
alerting, attraction and biting. The main constituents of the secretion are
hexanal and 1‐hexanol, which release alerting and attraction respectively. Of
the thirty or s...
Statistical modelling of insect behavioural responses in relation to the chemical composition of test extracts
Physiological Entomology - Tập 26 Số 4 - Trang 381-390 - 2001
Abstract. The use of generalized linear models (GLM) for relating changes in
insect behaviour to changes in the chemical composition of a plant extract is
presented and applied to data from an experimental study of the olfactory
response of Cydia pomonella L. (Lepidoptera: Tortricidae) to apple volatiles.
The volatiles were collected from healthy apples, artificially damaged apples or
apples infes...
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