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作者:Ken-ichi Harano , Satoshi Koyama
来源:[J].Journal of Insect Behavior(IF 0.901), 2017, Vol.30 (6), pp.717-727Springer
摘要:Fighting and aggression are important tasks for self-preservation in animals. In honey bees, virgin queens fight against each other for survival in a monogynous colony. Because the virgin queens have higher levels of dopamine (DA) in the brain than do mated queens with low a...
作者:Ryohei Kubo , Ken-ichi Harano , Masato Ono
来源:[J].The Science of Nature(IF 2.144), 2017, Vol.104 (9-10)Springer
摘要:To explore the role of the volatiles emitted from male labial gland (LG) of the bumblebee Bombus ardens ardens , we investigated the responses of virgin queens and males to volatiles using a gas chromatography–electroantennographic detector (GC–EAD) system and Y-tube olfacto...
作者:Ken-ichi Harano , Ryohei Kubo , Masato Ono
来源:[J].Apidologie(IF 2.155), 2018, Vol.49 (1), pp.120-130Springer
摘要:Abstract(#br)Previous reports note that males of the Japanese bumblebee Bombus ardens ardens perform nest surveillance to mate with new queens. Here, we report that males of this species also perform patrolling and scent-marking for mating. We observed that many B. ardens ardens ...
作者:Ken-ichi Harano , Satoshi Koyama
来源:[J].Journal of Insect Behavior(IF 0.901), 2019, Vol.32 (3), pp.218-224Springer
摘要:Abstract(#br)Dopamine (DA), one of the biogenic amines, has been suggested to regulate the motor activities of various animals. In honey bees, it has been reported to promote locomotor activity in queens, workers, and males, and to regulate the flight activity of workers and...
作者:Ken-ichi HARANO
来源:[J].Apidologie(IF 2.155), 2013, Vol.44 (5), pp.586-599Springer
摘要:Abstract(#br)The functions of juvenile hormone in the physiological and behavioral maturation in Apis mellifera males (drones) were investigated by application of a juvenile hormone analog, methoprene. No evidence was found for the stimulation of maturation of male reproduct...
作者:Ken-ichi Harano , Seiji Tanaka ...
来源:[J].Journal of Insect Behavior(IF 0.901), 2013, Vol.26 (4), pp.550-562Springer
摘要:Abstract(#br)The subtropical scarab beetle, Dasylepida ishigakiensis, has a two-year life cycle. This study showed the time of adult emergence from the soil relative to the time of dusk and the presence of the female sex pheromone. Beetles collected on Miyako Island were tra...
作者:... Jun Nakamura , Ken Sasaki , Ken-ichi Harano
来源:[J].Journal of Insect Physiology(IF 2.379), 2016, Vol.93-94, pp.50-55Elsevier
摘要:Abstract(#br)Honeybees use nectar held in the crop as their main source of energy for flight but the mass of the crop nectar load may be a cost burden. This study investigated whether males of the honeybee Apis mellifera adjust their nectar fuel load and concentration to enh...
作者:... Jun Nakamura , Ken Sasaki , Ken-ichi Harano
来源:[J].Journal of Insect Physiology(IF 2.379), 2016, Vol.93-94, pp.50-55Elsevier
摘要:Abstract(#br)Honeybees use nectar held in the crop as their main source of energy for flight but the mass of the crop nectar load may be a cost burden. This study investigated whether males of the honeybee Apis mellifera adjust their nectar fuel load and concentration to enh...
作者:Ken-ichi Harano , Akiko Mitsuhata-Asai , Masami Sasaki
来源:[J].Naturwissenschaften(IF 2.144), 2014, Vol.101 (7), pp.595-598Springer
摘要:Abstracts(#br)Before foraging honeybees leave the hive, each bee loads its crop with some amount of honey “fuel” depending on the distance to the food source and foraging experience. For pollen collection, there is evidence that foragers carry additional honey as “glue”...
作者:Ken-ichi Harano , Seiji Tanaka ...
来源:[J].Journal of Insect Physiology(IF 2.379), 2012, Vol.58 (5), pp.718-725Elsevier
摘要:Abstract(#br)This study examined the effects of parental and progeny rearing density on locomotor activity of 1st-stadium nymphs of the desert locust, Schistocerca gregaria , using an actograph. Progeny obtained from solitarious (isolated-reared) or gregarious (crowd-reared)...

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