Melittosphex burmensis

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Melittosphex burmensis
Temporal range: Upper Cretaceous (Cenomanian?) 92  Ma
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Melittosphex burmensis.jpg
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Infraorder: Aculeata
Family: Melittosphecidae
Poinar & Danforth, 2006
Genus: Melittosphex
Poinar & Danforth, 2006
Species:
M. burmensis
Binomial name
Melittosphex burmensis
Poinar & Danforth, 2006

Melittosphex burmensis is an aculeate wasp that was formerly considered one of the two oldest-known species of bees. The species was described from an inclusion in Burmese amber in the year 2006 by George Poinar Jr., a zoologist at Oregon State University. The fossil was found in a mine in the Hukawng Valley of northern Myanmar and is believed to date from the Cretaceous Period, 100 million years ago. [1]

Contents

Etymology

Melitta is a form of the Greek word μέλισσα (melissa), "honey bee", [2] while Sphex is a transliteration of the Greek word σφήξ, wasp. [3]

Description

M. burmensis is approximately one-fifth the size of the extant honeybee, at about 3 millimetres long. [4] M. burmensis has some anatomical features similar to those of flesh-eating wasps, including the shape of its hind legs, but also some features of pollen-collecting bees, such as branched hairs on the body.

The sample discovered is thought to be 100 million years old, 40 million years older than the oldest known bee species. Subsequent research has rejected the claim that Melittosphex is a bee, or even a member of the superfamily Apoidea to which bees belong, instead treating the lineage as incertae sedis within the Aculeata. [5]

Poinar and bee researcher Bryan Danforth described M. burmensis in the journal Science .

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Burmese amber is fossil resin dating to the early Late Cretaceous Cenomanian age recovered from deposits in the Hukawng Valley of northern Myanmar. It is known for being one of the most diverse Cretaceous age amber paleobiotas, containing rich arthropod fossils, along with uncommon vertebrate fossils and even rare marine inclusions. A mostly complete list of all taxa described up until 2018 can be found in Ross 2018; its supplement Ross 2019b covers most of 2019.

Burmese amber is fossil resin dating to the early Late Cretaceous Cenomanian age recovered from deposits in the Hukawng Valley of northern Myanmar. It is known for being one of the most diverse Cretaceous age amber paleobiotas, containing rich arthropod fossils, along with uncommon vertebrate fossils and even rare marine inclusions. A mostly complete list of all taxa described up until 2018 can be found in Ross 2018; its supplement Ross 2019b covers most of 2019.

Burmese amber is fossil resin dating to the early Late Cretaceous Cenomanian age recovered from deposits in the Hukawng Valley of northern Myanmar. It is known for being one of the most diverse Cretaceous age amber paleobiotas, containing rich arthropod fossils, along with uncommon vertebrate fossils and even rare marine inclusions. A mostly complete list of all taxa described up until 2018 can be found in Ross 2018; its supplement Ross 2019b covers most of 2019.

References

  1. G. O. Poinar, Jr. & B. N. Danforth (2006). "A fossil bee from Early Cretaceous Burmese amber". Science . 314 (5799): 614. CiteSeerX   10.1.1.627.551 . doi:10.1126/science.1134103. PMID   17068254.
  2. μέλισσα, Henry George Liddell, Robert Scott, An Intermediate Greek-English Lexicon, on Perseus.
  3. "Sphex". Merriam-Webster. Retrieved 22 June 2015.
  4. Danforth, Bryan N.; Poinar, George O. (September 2011). "Morphology, Classification, and Antiquity of Melittosphex burmensis (Apoidea: Melittosphecidae) and Implications for Early Bee Evolution". Journal of Paleontology. 85 (5): 882–891. doi:10.1666/10-130.1. ISSN   0022-3360.
  5. Rosa, B. B.; Melo, G. A. R. (2021). "Apoid wasps (Hymenoptera: Apoidea) from mid-Cretaceous amber of northern Myanmar". Cretaceous Research. 122: Article 104770. doi:10.1016/j.cretres.2021.104770.