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Apis cerana japonica

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(Redirected from Japanese honey bee) Subspecies of bee

Japanese honeybee
A hive with workers of A. c. japonica being scouted by a yellow hornet (Vespa simillima).
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Apidae
Genus: Apis
Species: A. cerana
Subspecies: A. c. japonica
Trinomial name
Apis cerana japonica
(Radoszkowski, 1877)

Apis cerana japonica is a subspecies of the eastern honeybee native to Japan. It is commonly known as the Japanese honeybee (Japanese: ニホンミツバチ, Hepburn: Nihon mitsubachi). Analysis of mitochondrial DNA suggests that the ancestors of this subspecies came to Japan from the Korean Peninsula via Tsushima Island. Genetic differentiation between Japanese honeybees and Korean honeybees occurred about 20,000 years ago, which coincides with the separation of Japan's Tsushima Island from the Korean Peninsula due to sea level rise. They have been observed moving into urban areas in the absence of natural predators.

A. c. japonica is very resistant to the mite Varroa jacobsoni, which is commonly found among A. cerana. It is also able to adapt to weather extremes, has a long flight duration and is less likely to sting than the western counterpart.

3-Hydroxyoctanoic acid is a signalling chemical emitted by the orchid Cymbidium floribundum and is recognized by Japanese honeybees.

Use in apiculture

A defensive ball of Japanese honeybees in which two Japanese yellow hornets (Vespa simillima xanthoptera) were engulfed, heated and eventually killed.

Beekeepers in Japan attempted to introduce western honeybees (Apis mellifera) for the sake of their high productivity. However, western honeybees have no innate defense against Asian giant hornets, which can rapidly destroy their colonies. Japanese honeybees, having evolved alongside the Asian giant hornet, have numerous defensive strategies against the hornets and so are also used in apiculture in the country.

Hive

Nest cavity ranges from 10 to 15 liters with a round comb structure that tends to be uneven. A. c. japonica will also dismantle an old hive before moving on to a new one. while western honeybee colonies can have over 50,000 worker bees, a Japanese honeybee colony's maximum number of worker bees is 6,000 to 7,000

Pollination

A. c. japonica pollinates the endangered orchids Cymbidium kanran and Cymbidium goeringii despite not having nectar for the bees to collect, instead releasing pheromones used to orient forager bees returning to the hive as a deception tactic in order to be pollinated.

Dancing

A. c. japonica, like many other honeybees, dance in order to inform nestmates of locations for "effective flower resources". However, unlike other honeybees, they do not dance for the location of propolis.

A. c. japonica also perform short waggle dances after their nest has been scouted by hornets or other competing bees in addition to hive smearing to facilitate the protection of the nest.

Protective behaviors

When threatened by hornets or other competing honeybees, A. c. japonica will dance and smear plant material at the entrance of the hive. A threat consists of a hornet or competing bee arriving to the home nest and scouting it, smearing it with pheromones. Performing the dance triggers an emergency, bees will travel a short distance to gather plant material. A. c. japonica does not discriminate between plant texture, color, or the part of the plant. The bees will then stand at the hive entrance and chew up the plant to smear the juice over the entrance.

A. c. japonica has a well-known defensive behavior when dealing with hornets which no other honeybee displays. Although a handful of Asian giant hornets can easily defeat the uncoordinated defenses of a honey bee colony, the Japanese honeybee (Apis cerana japonica) has an effective strategy.

As a hornet enters the hive, a mob of hundreds of honey bees surrounds it in a ball, completely covering it and preventing it from reacting effectively. The bees violently vibrate their flight muscles in much the same way as they do to heat the hive in cold conditions. This raises the temperature in the ball to the critical temperature of 46 °C (115 °F). In addition, the exertions of the honey bees raise the level of carbon dioxide (CO2) in the ball. At that concentration of CO2, the honey bees can tolerate up to 50 °C (122 °F), but the hornet cannot survive the combination of a temperature of 46 °C (115 °F) and high carbon dioxide level. Some bees do die along with the intruder, much as happens when they attack other intruders with their stings, but by killing the hornet scout, they prevent it from summoning reinforcements that would wipe out the entire colony.

Although it is a commonly accepted theory that the Asian giant hornet may be allowed to enter the Japanese honeybee hive, recent studies suggest that the Japanese honeybee and large hornets actually have a predator-prey “I see you” (ISY) relationship. The ISY relationship is supported by the observation that Japanese honeybee wingbeats become louder and increase in intensity as a bee-hawking wasp (such as an Asian hornet (Vespa velutina), a Lesser banded hornet (Vespa affinis), Japanese yellow hornet (Vespa simillima xanthoptera), or an Asian giant hornet (Vespa mandarinia) moves closer to the entrance of the hive and that, in most cases, the hornet may retreat when it hears the sound. If the hornet moves closer to the hive, the Japanese honeybees move their wings faster to intensify the warning to the wasp. If the wasp enters the nest the bees will increase their wing movement, form a ball and raise their body temperature.

References

  1. Takahashi, Jun'ichi; Yoshida, Tadaharu (2003). "The origin of Japanese honey bee Apis cerana japonica inferred from mitochondrial DNA". Honeybee Science (in Japanese). 24 (#2). Japan: 71–76. ISSN 0388-2217. Archived from the original on 3 November 2023. Retrieved 3 November 2023.
  2. Sugawara, Michio (2000). "Feral colonies of Japanese honey bees, Apis cerana japonica and their life history. 2. Natural nests and swarming". Honeybee Science (in Japanese). 21 (#1). Japan: 35–39. ISSN 0388-2217. Archived from the original on 19 May 2009. Retrieved 2009-05-05.
  3. Takenaka, Tetsuo; Takenaka, Yoko (1995-08-21). "Royal Jelly from Apis cerana japonica and Apis mellifera". Bioscience, Biotechnology, and Biochemistry. 60 (#3). Japan Society for Bioscience, Biotechnology, and Agrochemistry: 518–520. doi:10.1271/bbb.60.518. PMID 27299558.Open access icon
  4. ^ Park, Doori; Jung, Je Won; Choi, Beom-Soon; Jayakodi, Murukarthick; Lee, Jeongsoo; Lim, Jongsung; Yu, Yeisoo; Choi, Yong-Soo; Lee, Myeong-Lyeol (2015-01-02). "Uncovering the novel characteristics of Asian honey bee, Apis cerana, by whole genome sequencing". BMC Genomics. 16 (1): 1. doi:10.1186/1471-2164-16-1. ISSN 1471-2164. PMC 4326529. PMID 25553907.
  5. Sugahara, M; Izutsu, K; Nishimura, Y; Sakamoto, F (2013). "Oriental orchid (Cymbidium floribundum) attracts the Japanese honey bee (Apis cerana japonica) with a mixture of 3-hydroxyoctanoic acid and 10-hydroxy- (E)-2-decenoic acid". Zoological Science. 30 (#2): 99–104. doi:10.2108/zsj.30.99. PMID 23387843. S2CID 45520680.
  6. ^ Piper, Ross (2007), Extraordinary Animals: An Encyclopedia of Curious and Unusual Animals, Greenwood Press
  7. Tsuji, Kaoru; Kato, Makoto (2010). "Odor-guided bee pollinators of two endangered winter/early spring blooming orchids, Cymbidium kanran and Cymbidium goeringii, in Japan". Plant Species Biology. 25 (#3): 249–253. doi:10.1111/j.1442-1984.2010.00294.x.
  8. Fujiwara, Ayumi; Sasaki, Masami; Washitani, Izumi (March 2018). "First report on the emergency dance of Apis cerana japonica, which induces odorous plant material collection in response to Vespa mandarinia japonica scouting". Entomological Science. 21 (#1): 93–96. doi:10.1111/ens.12285. S2CID 90243909.
  9. Baker, Mike (3 May 2020). "Murder Hornets vs. Honeybees: A Swarm of Bees Can Cook Invaders Alive". The New York Times. Retrieved 4 May 2020.
  10. Sugahara, M; Sakamoto, F (September 2009). "Heat and carbon dioxide generated by honeybees jointly act to kill hornets". Naturwissenschaften. 96 (#9): 1133–1136. Bibcode:2009NW.....96.1133S. doi:10.1007/s00114-009-0575-0. PMID 19551367. S2CID 22080257.
  11. "Honeybee mobs overpower hornets". BBC News. July 3, 2009. Retrieved April 25, 2010.
  12. "Defensive Adaptations: Heat Tolerance As A Weapon". Bio.davidson.edu. Archived from the original on 2013-10-02. Retrieved 2013-03-18.
  13. Tan, Ken; Wang, Zhenwei; Li, Hua; Yang, Shuang; Hu, Zongwen; Kastberger, Gerald; Oldroyd, Benjamin P. (April 2012). "An 'I see you' prey–predator signal between the Asian honeybee, Apis cerana, and the hornet, Vespa velutina". Animal Behaviour. 83 (#4): 879–882. doi:10.1016/j.anbehav.2011.12.031. S2CID 53192582.

External links

Taxon identifiers
Apis cerana japonica
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