Hyperaspis postica

LeConte, 1880

postica lady beetle

Hyperaspis postica, the postica lady beetle, is a small North American lady beetle in the Coccinellidae. measure 2.30–3.10 mm in length. The is distinguished by a single spot on each that varies in size and shape. It occurs from British Columbia to southern California, with additional records from Alberta, Arizona, and Colorado. Like other Hyperaspis species, it is likely a of scale insects.

Pronunciation

How to pronounce Hyperaspis postica: //ˌhaɪˈpɛr.ə.spɪs ˈpɒs.tɪ.kə//

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Identification

Distinguished from other Hyperaspis by the single spot on each . Some Hyperaspis species have two spots or different spot arrangements. The small size (2.30–3.10 mm) and specific spot pattern separate it from larger lady beetles and those with different color patterns. Exact identification may require examination of spot position and comparison with other small-spotted Hyperaspis species.

Appearance

Small lady beetle, 2.30–3.10 mm in length. Each bears one spot that varies in size and shape. Body form typical of the Hyperaspis.

Distribution

North America, recorded from British Columbia to southern California, including Alberta, Arizona, and Colorado. GBIF records also indicate presence in Saskatchewan.

Ecological Role

As a member of Hyperaspis, likely functions as a of scale insects (Coccoidea), based on documented feeding habits of . Hyperaspis larvae and are known to consume scale insects and their , including crapemyrtle bark scale (Acanthococcus lagerstroemiae) and other .

Human Relevance

Potential agent for insect pests. Related Hyperaspis are valued as natural enemies of scales such as crapemyrtle bark scale. Misidentification of waxy Hyperaspis larvae as or pests may lead to unnecessary applications.

Similar Taxa

Other Hyperaspis speciesMany Hyperaspis share small size and spotted patterns; H. postica distinguished by single spot configuration
Generalist Coccinellidae (e.g., Harmonia, Coccinella)Larger size and different spot numbers or arrangements; H. postica is notably smaller with reduced spot pattern

Misconceptions

Larvae of Hyperaspis are frequently misidentified as or other pests due to their waxy covering. This leads to unnecessary applications that harm beneficial . The waxy coating is protective and not indicative of pest status.

More Details

Taxonomic history

Described by LeConte in 1880. The specific epithet 'postica' refers to the () position of the elytral spot.

Conservation status

Not formally assessed; appears to be naturally uncommon based on limited observation records (17 iNaturalist observations).