Asteia montgomeryi Hardy

Montgomery’s Asteiid Fly (Asteia montgomeryi)

This species was described in the year 1980, this is one of the few species within this genus, that seems to be endemic to a single island within the Hawaiian chain.

The larvae are known to develop inside the rotting stems of dead Wiliwili trees (Erythrina sandwichensis O. Deg.).

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References:

[1] Patrick M. O´Grady; Karl Nicholas Magnacca: Studies in Hawaiian Diptera I: New distributional records for endemic Asteia (Asteiidae). Biodiversity Data Journal 2: e1010. doi: 10.3897/BDJ.2.e1010

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Bryania bipunctata Aldrich

Nihoa Two-spotted Asteriid Fly (Bryania bipunctata)

This species, which obviously occurs exclusively on the island of Nihoa, was described in the year 1931 on the basis of two female specimens.

The animals reach a length of about 0,16 cm.

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The genus is monotypic, and the species is only distantly related to the other Hawaiian members of the family Asteiidae.

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References:

[1] J. M. Aldrich: New Acalytrate Diptera from the Pacific and Oriental Regions. Proc. Haw. Ent. Soc. 7(3): 395-399. 1931
[2] Patrick M. O´Grady; Karl Nicholas Magnacca: Studies in Hawaiian Diptera I: New Distributional Records for Endemic Asteia (Asteiidae). Biodiversity Data Journal 2: e1010. doi: 10.3897/BDJ.2.e1010