Amblonoxia palpalis
(Horn, 1880)
dusty June beetle
Amblonoxia palpalis, commonly known as the dusty , is a scarab beetle in the Scarabaeidae. The is to the California coastal plain of North America. It belongs to the tribe Melolonthini, which includes many typical June beetles. The specific epithet "palpalis" refers to characteristics of the palps (mouthpart appendages).

Pronunciation
How to pronounce Amblonoxia palpalis: //æm.bləˈnɒk.si.ə ˈpæl.pə.lɪs//
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Identification
The can be distinguished from other Amblonoxia species and sympatric scarabs by characteristics of the palps, as indicated by the specific epithet "palpalis." Precise diagnostic features require examination of mouthpart . The species' restriction to the California coastal plain provides geographic separation from related in other regions.
Images
Appearance
As a member of Melolonthini, the dusty has the robust, oval body form typical of June beetles. The "dusty" suggests a dull or (frosted) cuticular texture rather than a or metallic surface. Specific morphological details such as size, coloration, and are not documented in available sources.
Habitat
Native to the California coastal plain, occupying environments characteristic of this Mediterranean-type climate region.
Distribution
to the California coastal plain in North America. Records are restricted to California, USA.
Similar Taxa
- Other Amblonoxia species share the same and may overlap in general ; identification requires examination of palpal and other subtle morphological characters.
- Other Melolonthini (June beetles)Members of the same tribe share the robust body form and general ; -level identification relies on detailed morphological examination including genitalia and mouthparts.
More Details
Taxonomic history
The was described by Horn in 1880. The Amblonoxia is classified within the tribe Melolonthini, Melolonthinae, Scarabaeidae.
Nomenclature
The specific epithet "palpalis" is derived from Latin "palpus" (palp, a mouthpart appendage), indicating that distinctive palpal characteristics were noted in the original description.
Sources and further reading
- BugGuide
- Wikipedia
- GBIF taxonomy match
- iNaturalist taxon
- NCBI Taxonomy
- Catalogue of Life
- Geoffrey Attardo's Landmark Research on Genomics of Tsetse Flies | Bug Squad
- Treasured Comments About Insects: Can We Hear a Collective 'Sigh?' | Bug Squad
- Meloidae Holdings | Entomology Research Museum
- ID Challenge #8 | Beetles In The Bush