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Probable Site of Sex Pheromone Emission in Female Vine and Obscure Mealybugs (Hemiptera: Pseudococcidae)
Springer Science and Business Media LLC - Tập 25 - Trang 287-296 - 2011
In laboratory bioassays, male Pseudococcus viburni (Signoret) and Planococcus ficus Signoret were attracted to body sections of females that included the metathoracic legs. Extracts of the metathoracic legs of female P. ficus were much more attractive to males than extracts of the other legs, and males exhibited copulatory behavior towards these extracts. Scanning electron microscopy showed the pr...... hiện toàn bộ
Behavior of newly hatched potato tuber moth larvae,Phthorimaea operculella Zell. (Lepidoptera: Gelechiidae), in relation to their host plants
Springer Science and Business Media LLC - Tập 1 - Trang 261-275 - 1988
A study was made of neonate larvae of Phthorimaea operculella.Host finding from soil-laid eggs and dispersal from hosts and nonhosts were first examined. Of first-instar larvae hatching from soil-laid eggs, 80% found the potato plant while roughly 50% found each of the other three plants (datura, tobacco, and tomato). Dispersal from potato, datura, and tobacco was very low, while on tomato it was...... hiện toàn bộ
Flight Durations in Bumblebees Under Manipulation of Feeding Choices
Springer Science and Business Media LLC - Tập 17 - Trang 155-168 - 2004
Foraging bees spend less time flying between flowers of the same species than between individuals of different species. This time saving has been suggested as a possible advantage of flower-constant foraging. We hypothesized that the time required to switch flower type increases if (a) such switches are infrequent and (b) the bees need to decide whether to switch or not. Bumblebees were taught to ...... hiện toàn bộ
The Influence of Substrate on Male Responsiveness to the Female Calling Song in Nezara viridula
Springer Science and Business Media LLC - Tập 14 - Trang 313-332 - 2001
The female calling song (FCS) of the southern green stink bug Nezara viridula is composed of vibrational pulse trains that include either short pulses and a long pulse (FCS-1) or just short pulses (FCS-2). Their function in communication was studied by investigating male vibratory responses to natural and artificial signals on artificial and natural substrates. On a loudspeaker membrane, FCS-1 tri...... hiện toàn bộ
Behavioral Profiles Related to Dominance Hierarchy in Associated Foundresses of Belonogaster juncea juncea (F.) (Hymenoptera: Vespidae)
Springer Science and Business Media LLC - Tập 11 - Trang 845-852 - 1998
This study was conducted to examine the phenomenon of task partitioning among associations of foundresses of the primitively eusocial wasp Belonogaster juncea juncea (F.). The time–activity budget for five main behavioral categories (foraging, building, feeding, inactivity, and reproduction) for each foundress belonging to trigynic associations was recorded using the instantaneous scanning techni...... hiện toàn bộ
Multiple Mating and Reproductive Success of Male and Female Apple Maggot Flies, Rhagoletis pomonella (Diptera: Tephritidae)
Springer Science and Business Media LLC - Tập 13 - Trang 901-914 - 2000
Mature male and female apple maggot flies mated frequently on a field-caged host tree during a 14-day study. Each sex averaged one mating per day (mean of 1.0 ± 0.1), but some females mated up to eight times per day and some males up to six times per day. Reproductive success was estimated based both on observed numbers of matings in the field cage and on previous work relating fecundity and ferti...... hiện toàn bộ
The spatial precision of the honey bees' dance communication
Springer Science and Business Media LLC - Tập 1 - Trang 129-155 - 1988
Many social insect species that employ directional recruitment to food finds communicate the location of their targets with seemingly needless imprecision. Here we present evidence that the spatial precision of the honey bees' dance communication has been “tuned” by selection so that recruits are neither so accurate that they usually find areas which have already been depleted nor so inaccurate t...... hiện toàn bộ
Aggressive Behavior in Olive Fruit Fly Females: Oviposition Site Guarding against Parasitic Wasps
Springer Science and Business Media LLC - Tập 29 - Trang 680-688 - 2016
Among Tephritidae flies, the females display agonistic behavior to maintain single oviposition sites and reduce larval competition for food. In the olive fruit fly, Bactrocera oleae, female-female aggressive interactions are characterized by reciprocal wing waving, chasing, head butting and boxing with forelegs. Little is known on tephritid aggressive behaviors directed towards natural enemies, wi...... hiện toàn bộ
Antipredatory Activity of the Weevil Oxyops vitiosa: A Biological Control Agent of Melaleuca quinquenervia
Springer Science and Business Media LLC - Tập 13 - Trang 915-926 - 2000
The larvae of the leaf-feeding weevil Oxyops vitiosa, a biological control agent of Melaleuca quinquenervia, are covered with a viscous orange coating that is thought to protect against generalist predators. This coating is gradually lost as the larvae drop to the ground and pupate in subterranean pupal cells. To test the antipredator activity of this species, four immature life stages (early inst...... hiện toàn bộ
Intrasexual Competition and Mating Behavior in Ptomascopus morio (Coleoptera: Silphidae Nicrophorinae)
Springer Science and Business Media LLC - Tập 18 - Trang 233-242 - 2005
In nicrophorine beetles, genus Nicrophorus care their larva using small vertebrate carrion, whereas genus Ptomaucopusreproduce with small vertebrate carrion but show no parental care. Aggression and sexual behavior were examined in Ptomascopus morio and Nicrophorus quadripunctatus. Nicrophorus quadripunctatus had intense female–female as well as male–male contests. In Ptomascopus morio, by contras...... hiện toàn bộ
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