Plagiostira albonotata
Scudder, 1876
white-marked shieldback
Plagiostira albonotata, commonly known as the white-marked shieldback, is a of shield-backed katydid in the Tettigoniidae. It is a large, robust found in arid regions of the southwestern United States. The species is characterized by distinctive white markings on its body. Observations indicate activity during summer months in desert and semi-desert .
Pronunciation
How to pronounce Plagiostira albonotata: //ˌplædʒiˈɒstɪrə ˌælboʊnoʊˈtɑːtə//
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Identification
Large, robust body typical of shield-backed katydids. The specific epithet 'albonotata' refers to white markings present on the body. As a member of Plagiostirini, it possesses the characteristic shield-like pronotum that extends backward over the . The 'giant katydid' observed in west Texas (Hwy 380 near San Antonio) and identified as Plagiostira sp. was noted as brachypterous, with short wings where the wings are positioned on top with costal margins oriented outside (distinguishing from nymphs, where wings are on top with costal margins oriented inside).
Habitat
Arid and semi-arid regions including desert scrub, sand dunes, and areas with sparse vegetation. Associated with yucca stands and desert grassland environments.
Distribution
Southwestern United States: Arizona, New Mexico, Utah.
Seasonality
Summer activity period; observed in June in southeastern New Mexico and west Texas.
Behavior
or activity pattern suggested by observation context (found during evening/dusk collecting). The brachypterous condition (reduced wings) indicates limited capability.
Similar Taxa
- Other Plagiostira speciesSame , requiring examination of specific white marking patterns and body proportions for differentiation.
- Other Tettigoniinae (shield-backed katydids)Similar overall body form; identification relies on specific pattern of white markings and geographic distribution.
More Details
Taxonomic note
The was described by Scudder in 1876. The Plagiostira belongs to the tribe Plagiostirini within Tettigoniinae.