Disonycha funerea
(Randall, 1838)
Death Disonycha Flea Beetle
Disonycha funerea is a flea beetle in the Chrysomelidae, native to North America. The "Death Disonycha Flea Beetle" reflects its dark, somber coloration. As a member of the Disonycha, it belongs to a group of small, jumping leaf beetles known for their enlarged hind that enable their characteristic -like escape . The species was described by Randall in 1838.
Pronunciation
How to pronounce Disonycha funerea: //dɪˈsɒnɪkə fjuːˈnɪəreɪ//
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Identification
Members of Disonycha can be distinguished from other flea beetles by the combination of: enlarged hind adapted for jumping; tarsal claws with a distinct basal tooth; and often striking color patterns. D. funerea specifically is characterized by dark, funereal (black or dark brown) coloration as suggested by its epithet. Precise identification requires examination of genitalia and comparison with related species such as D. xanthomelas and other dark-colored Disonycha.
Distribution
North America
Behavior
Has been observed to exhibit the characteristic -like jumping escape response typical of the tribe Alticini, using enlarged hind to propel itself away from disturbance.
Similar Taxa
- Disonycha xanthomelasSimilar dark coloration and body form; requires careful examination of male genitalia and subtle color pattern differences to distinguish
- Other Disonycha speciesMany in this share small size, jumping ability, and similar body plan; species-level identification often requires dissection and reference to original descriptions
More Details
Etymology
The epithet "funerea" derives from Latin, meaning "funereal" or "relating to a funeral," referring to the dark, somber coloration of this .
Taxonomic Note
Disonycha is a moderately large of New World flea beetles, with most occurring in North America. The genus is characterized by distinctive tarsal claw and often bold color patterns.