Mezira pacifica
Usinger, 1936
Mezira pacifica is a of in the , described by Usinger in 1936. The species is found in western North America. Flat bugs (Aradidae) are characterized by their extremely flattened bodies and are typically associated with dead wood or bark . As with other members of this family, M. pacifica likely feeds on fungal through its .
Pronunciation
How to pronounce Mezira pacifica: //mɛˈzɪrə pəˈsɪfɪkə//
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Distinguished from other western North Mezira by genitalic characters and subtle differences in body proportions. Accurate identification to species level requires examination of male or detailed comparison with . Similar species include other Mezira in the western Nearctic, particularly M. emarginata and M. lobata, which differ in pronotal and abdominal margin details.
Habitat
Associated with dead wood, bark, and decaying woody debris. Typical includes under bark of dead or dying trees, in rotting logs, and in other subcortical spaces where fungal growth occurs.
Distribution
Western North America. Specific range details beyond this broad region are not well documented in available sources.
Diet
Feeds on fungal ; uses to extract nutrients from fungal substrates.
Life Cycle
Development includes , nymphal, and stages. Specific details of timing and nymphal are not documented for this .
Behavior
Cryptic, remaining concealed under bark or within decaying wood. Likely sedentary, moving slowly within fungal-rich microhabitats.
Ecological Role
; contributes to in forest by feeding on associated with decaying wood.
Human Relevance
No direct economic or medical significance. Occasionally encountered by and naturalists examining dead wood .
Similar Taxa
- Mezira emarginataOverlaps in western North range; differs in pronotal emargination and male structure.
- Mezira lobataSimilar flattened body form; distinguished by differences in abdominal margin lobation and genitalic .
- Aradus spp.Other common western Nearctic ; generally larger with different antennal and pronotal proportions.
More Details
Taxonomic history
Described by Robert L. Usinger in 1936. The Mezira is one of the more -rich genera in , with numerous species in the Nearctic and Neotropical regions.
Collection and study
Specimens are typically collected by peeling bark from dead trees, sifting decaying wood, or using on woody litter. The is represented in entomological collections but is not frequently encountered due to its cryptic habits.