Polyphylla avittata

Hardy, 1978

spotted Warner valley dunes June beetle, spotted Warner valley dunes scarab beetle

Polyphylla avittata is a of scarab beetle in the Melolonthinae, commonly known as the spotted Warner valley dunes . The species is to sand dune in the Warner Valley of Utah. Like other members of the Polyphylla, it exhibits in antennal structure, with males possessing enlarged, used to detect female . The species is rarely encountered and poorly documented in scientific literature.

Pronunciation

How to pronounce Polyphylla avittata: /ˌpɒlɪˈfɪlə əˈvɪtəθə/

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Habitat

Sand dune , specifically the Warner Valley dunes in Utah. The is a psammophile (sand-dwelling ) restricted to this specific dune type.

Distribution

to the Nearctic region. Known only from Utah, USA, specifically the Warner Valley dunes area. GBIF records confirm presence in Utah.

Behavior

Based on congeneric , males are likely and attracted to lights. Males use enlarged, to detect female . Females of sand-dune Polyphylla species are typically flightless and rarely collected.

Similar Taxa

Polyphylla mescalerensisAnother sand dune Polyphylla from the Mescalero Sand Dunes of New Mexico, described by Young in 1988 from the same region where P. avittata occurs.
Polyphylla decemlineataThe ten-lined June beetle, a widespread western North American with similar male and light-attracted , though not restricted to sand dunes.
Polyphylla hammondiHammond's lined June beetle, a large with similar and , found in sand dune in the Great Plains but with broader distribution than P. avittata.

More Details

Taxonomic history

Described by Hardy in 1978. The specific epithet 'avittata' refers to the spotted or unstriped condition, distinguishing it from striped .

Conservation status

The extremely restricted range in a specific sand dune system suggests potential vulnerability to loss, though no formal conservation assessment has been published.

Collection rarity

iNaturalist records only 2 observations, indicating the is rarely encountered by naturalists and collectors. This rarity is consistent with other sand dune Polyphylla species where females are flightless and difficult to locate.