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Aggregative Behavior is Not Explained by an Allee Effect in the Walnut Infesting Fly, Rhagoletis juglandis
Springer Science and Business Media LLC - Tập 25 - Trang 166-182 - 2011
Component Allee effects are considered to be a driving force in the origin and maintenance of aggregative behavior. In this study, we examine whether a pattern of active host reuse by the walnut fly, Rhagoletis juglandis Cresson (Diptera: Tephritidae), involves an Allee effect. We examined how the density of clutches deposited within a fruit, the temporal pattern in which successive clutches are d......
The Influence of the Physiological Stage of Lucilia Caesar (L.) (Diptera: Calliphoridae) Females on the Attraction of Carrion Odor
Springer Science and Business Media LLC - Tập 28 - Trang 183-201 - 2015
In this study, the relationship between physiological conditions, including oogenesis and gravidity, and attraction to carcass odors was examined in order to discover how the attractivity of volatile organic compounds (VOCs) varied in females of the necrophagous fly Lucilia caesar (Linnaeus, 1758) (Diptera: Calliphoridae). Thus we want to shed some light on settlement behavior of scavenger flies. ......
Strategic Investment in Sperm Removal Behaviour in a Bushcricket
Springer Science and Business Media LLC - Tập 30 - Trang 170-179 - 2017
Multiple mating by females is widespread and generates sperm competition among the ejaculates of rival males over fertilization. One way in which males can avoid or reduce sperm competition is by displacing or removing previous males’ sperm from female sperm stores. An apparent example of this occurs in the bushcricket Metaplastes ornatus. Males perform a specialised sperm removal behaviour (SRB),......
Material Benefits from Multiple Mating in Female Mealworm Beetles (Tenebrio molitor L.)
Springer Science and Business Media LLC - Tập 14 Số 2 - Trang 215-230 - 2001
In yellow mealworm beetles (Tenebrio molitor), females are sexually receptive throughout their adult lives. We examined how access to mates affected female fecundity by varying the number of matings per female and quantifying cumulative egg production. Also, we dissected females at successive intervals after a single mating to assess the relationship among time since mating, sperm supplies, egg lo......
Poor Odors, Strength, and Persistence Give Their Rewards to Mutilla europaea Visiting Dangerous Wasp Nests
Springer Science and Business Media LLC - Tập 26 - Trang 246-252 - 2012
Social insect colonies are attractive for many arthropods. The rare velvet ant, Mutilla europaea, visit colonies of Polistes wasps, but to date it was unclear which resources it targeted therein. Our field observations and bioassays showed that velvet ants visit the colonies of the social wasp Polistes biglumis almost undisturbed and may feed on larval wasp saliva. Chemical insignificance and resi......
Species Recognition During Substrate-Borne Communication in Nezara viridula (L.) (Pentatomidae: Heteroptera)
Springer Science and Business Media LLC - Tập 24 - Trang 468-487 - 2011
The information code in the temporal and spectral characteristics of the substrate-borne communication signals produced by insects has been primarily studied in insects in the suborder Auchenorrhyncha. In the present study we investigated which of the female calling song (FCS) parameters in Nezara viridula (L.) (Heteroptera, Pentatomidae) are essential for recognition by conspecific males. In play......
Regulated food recruitment through individual behavior of scouts in the ant,Myrmica sabuleti (Hymenoptera: Formicidae)
Springer Science and Business Media LLC - Tập 7 - Trang 767-777 - 1994
By presenting different kinds of food sources to colonies ofM. sabuleti, we have demonstrated that this species regulates its foraging activity by altering the proportion of scouts that return to the nest to recruit nestmates after discovering a food source and by varying the number of nestmates recruited by a scout. These two parameters are related to the kind of food discovered. Our behavioral e......
Kinetic effects of a kairomone in moth scales of the European corn borer onTrichogramma nubilale Ertle & Davis (Hymenoptera: Trichogrammatidae)
Springer Science and Business Media LLC - Tập 2 - Trang 123-131 - 1989
Egg Placement by Anopheles gambiae (Diptera:Culicidae) as Influenced by Resting Surface Slope and Enclosure
Springer Science and Business Media LLC - Tập 25 - Trang 494-503 - 2012
In these experiments, oviposition by laboratory-reared Anopheles gambiae s.s. was as likely to occur from a vertical perch, as from a horizontal sitting position on a substrate of moist mud or open water. Tall cylinders with moist, dark walls provided an enclosed vertical resting surface from which An. gambiae deposited eggs. Similar numbers of eggs were deposited in these cylinders as on dark and......
Horn Length Is the Determining Factor in the Outcomes of Escalated Fights Among Male Japanese Horned Beetles, Allomyrina dichotoma L. (Coleoptera: Scarabaeidae)
Springer Science and Business Media LLC - Tập 18 - Trang 805-815 - 2005
Male horn length in some horned beetles shows a sigmoidal relationship with body size. This has often been considered as the reflection of alternative reproductive tactics of males based on body size. Large males should possess long horns to acquire females through fights with other males using their horns, whereas small males do not require long horns because they usually avoid intermale fights a......
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