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Black Dwarf Honey Bee
Plate 1 of 8. (c) ZestinSoh, some rights reserved (CC BY-NC-SA) · via iNaturalist

Black Dwarf Honey Bee

Apis andreniformis

Apis andreniformis, or the black dwarf honey bee, is a relatively rare species of honey bee whose native habitat is the tropical and subtropical regions of Southeast Asia.

A. andreniformis was the fifth honey bee species to be described of the seven known species of Apis. (Note: There are 8 known species now with the addition of Apis laboriosa.) Until recently, however, the actual identity of the species was poorly understood. It was not recognized as its own species, but was instead considered to be a part of the species Apis florea. Recent studies have highlighted notable differences between the bees and have thus separated them into distinct species.

Continue reading on Wikipedia

From the article Apis andreniformis on Wikipedia (CC BY-SA), quoted section by section

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Range & habitat

A. andreniformis is found in southeast Asia, specifically southern China, India, Burma, Laos, Vietnam, Thailand, Malaysia, Indonesia, and the Philippines. They are commonly found in sympatric distribution with A. florea. Although they are sympatrically distributed, it is uncommon to have nests of different species in the same tree or bush. Each species tends to be found closer to nests of its own species rather than its sister species. A. andreniformis is considered a lowland species because they are most commonly found in elevations below 1,000 m, although they may migrate to higher elevations during rainy seasons. Similarly, they are found in tropical and subtropical regions, while cavity-dwelling honey bees can be found in colder climates.

Wikipedia: “Distribution and habitat”

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What it does

Queens of A. andreniformis commonly engage in polyandry, where the queen will mate with multiple drones, usually about 10-20 times in total. Due to the large amount of mating, queens must expel any excess semen. Excessive mating puts females at increased risk to predation since it must occur during flight and outside the nest in the open air. She is also at risk for sexually transmitted diseases and injury from unexpected inclement weather. Some Apis males put a "mating sign" in the sting chamber of the queen that she is unable to remove. This prevents her from avoiding unwanted copulation with other drones. In contrast, this sign is not found in A. andreniformis, suggesting that queens have control over the number of mates they copulate with. Although there is a lot of risk to the queen, benefits may arise from the increased genetic diversity within the colony. Genetic diversity can lead to increased resistance to disease and illnesses.

Wikipedia: “Mating behavior”

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Where it lives

Recorded sightings

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geo-referenced records in GBIF, from museums, herbaria and field observers.

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Every page naming Apis andreniformis in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 360117.