Microweisea misella
(LeConte, 1878)
Micro Lady Beetle
Microweisea misella is a minute () to North America. measure only 1–1.5 mm in length and are darkly colored. The is a specialized of (), particularly on blueberry and other shrubs and trees. It has been documented across southern Canada and much of the United States, and is associated with urban and agricultural where occur.
Pronunciation
How to pronounce Microweisea misella: /ˌmaɪkroʊˈwaɪziə maɪˈsɛlə/
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Identification
Distinguished from other by its minute size (1–1.5 mm) and uniformly dark coloration. Most other North are larger and/or display contrasting spot patterns. The Microweisea contains similarly tiny ; M. misella may require microscopic examination or association with for definitive identification.
Images
Habitat
Occurs in supporting its , including blueberry plantings, shrubs, and trees. Has been observed in urban environments where occur on red maple and other urban trees.
Distribution
to North America. Documented throughout southern Canada (Alberta, British Columbia, Manitoba) and much of the United States. GBIF records confirm presence across North America.
Diet
of ( ). Documented feeding on gloomy (Melanaspis tenebricosa) and other Diaspididae on blueberry, shrubs, and trees. serve as direct ; the may also be attracted to scale and associated prey .
Host Associations
- Diaspididae -
- Melanaspis tenebricosa - gloomy on urban red maple
- Vaccinium - blueberry plantings
Ecological Role
Acts as a of in urban and agricultural . Contributes to of on trees and shrubs. Its presence in scale-infested trees may indicate functional natural enemy that support pest suppression in nearby plants.
Human Relevance
in . Potential agent for on urban trees and blueberry . Research suggests that conserving -infested trees can support of this and other , providing associational to pests in adjacent landscape plants.
Similar Taxa
- Other CoccinellidaeMost other are larger (>2 mm) and often display contrasting color patterns (red, orange, or with black spots). Microweisea misella is distinguished by its minute size and dark, unpatterned coloration.
- Other Microweisea speciesCongeneric share similar minute size and dark coloration; may require microscopic examination or geographic/ associations for separation.
More Details
Research Context
Featured in studies of in urban landscapes. Research by Wilson and Frank (NC State University) documented Microweisea sp. as part of communities attracted to -infested urban trees, contributing to broader understanding of how urban tree pests can support services in nearby plants.