''Humongochela'' is a genus of

flies Flies are insects of the Order (biology), order Diptera, the name being derived from the Ancient Greek, Greek δι- ''di-'' "two", and πτερόν ''pteron'' "wing". Insects of this order use only a single pair of wings to fly, the hindwin ...

in the family

Dolichopodidae Dolichopodidae, the long-legged flies, are a large, cosmopolitan family of true flies with more than 8,000 described species in about 250 genera. The genus '' Dolichopus'' is the most speciose, with some 600 species. Dolichopodidae generally a ...

. It is known from three of the

Marquesas Islands The Marquesas Islands ( ; or ' or ' ; Marquesan language, Marquesan: ' (North Marquesan language, North Marquesan) and ' (South Marquesan language, South Marquesan), both meaning "the land of men") are a group of volcano, volcanic islands in ...

, with one species on each. All three species are found on vertical surfaces near waterfalls. Flies in the genus have extremely long tarsal claws as well as extremely reduced pulvilli. These are presumed to be evolutionary adaptions to allow better grip on the slippery substrata near waterfalls. The generic name is derived from the American slang "humongous" (meaning large, monstrous) and the

Latin Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...

''chela'' ("claw"), referring to their extremely long claws.

Species

* '' Humongochela englundi'' Evenhuis, 2004 –

Fatu-Hiva Fatu-Hiva (the "H" is not pronounced, see name section below) is the southernmost island of the Marquesas Islands in French Polynesia, an overseas territory of France in the Pacific Ocean. With Motu Nao as its closest neighbour, it is also the ...

* '' Humongochela hardyi'' Evenhuis, 2004 –

Nuku Hiva Nuku Hiva (sometimes spelled Nukahiva or Nukuhiva) is the largest of the Marquesas Islands in French Polynesia, an overseas country of France in the Pacific Ocean. It was formerly also known as ''Île Marchand'' and ''Madison Island''. Herman M ...

* '' Humongochela polhemusi'' Evenhuis, 2004 –

Hiva Oa With its , Hiva Oa ( Marquesan: Hivaoa) is the second largest island in the Marquesas Islands, in French Polynesia, an overseas territory of France in the Pacific Ocean. Located at 9 45' south latitude and 139 W longitude, it is the largest islan ...

References

Dolichopodidae genera Sympycninae Fauna of the Marquesas Islands Endemic fauna of French Polynesia {{Dolichopodidae-stub