Psaphidini

Grote, 1896

Family Guides

Psaphidini is a tribe of owlet moths within the Amphipyrinae (Noctuidae). The tribe contains at least 40 and 90 described . Subtribes within Psaphidini include Psaphidina and Triocnemidina, which exhibit distinct morphological specializations and geographic distributions.

Oxycnemis fusimacula by (c) Laura Gaudette, some rights reserved (CC BY), uploaded by Laura Gaudette. Used under a CC-BY license.

Brachionycha borealis by (c) Louis Imbeau, some rights reserved (CC BY), uploaded by Louis Imbeau. Used under a CC-BY license.

Brachionycha borealis by (c) Doug Macaulay, some rights reserved (CC BY), uploaded by Doug Macaulay. Used under a CC-BY license.

Pronunciation

How to pronounce Psaphidini: //sæˈfɪdɪnaɪ//

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Identification

Within Psaphidini, subtribes can be distinguished by specific morphological characters. Triocnemidina is characterized by modified prothoracic tibial setae (a strong clawlike seta continuous with a knifelike ridge) and distinctive hindwing venation. Psaphidina includes with diagnostic male genitalia features such as an enlarged ampulla in the clasping apparatus and elasmas on the vesica. The combination of robust ampulla with both and elasmas is unique within the tribe.

Images

Habitat

Members occupy diverse including arid shrubland and desert regions (Chihuahuan desert in southwestern North America) and subalpine coniferous forests (northeastern Himalayan region at elevations around 3,200 m).

Distribution

Widespread across the Holarctic region: southwestern United States (Arizona, New Mexico, Texas) and Mexico; Xizang (Tibet) Autonomous Region and Sichuan Province, China.

Seasonality

active from spring through fall in desert regions; collected in August at high-elevation Himalayan sites.

Life Cycle

Early stages unknown for most . of at least one high-elevation species collected at night in August.

Behavior

activity documented through light trapping. The large foretibial claw in Triocnemidina is probably an for escaping the pupal chamber in hard desert soils and digging to the surface.

More Details

Subtribal diversity

Psaphidini comprises at least two subtribes with distinct morphological and geographic patterns: Psaphidina (Himalayan region, forest ) and Triocnemidina (southwestern North American deserts).

Male genitalia diagnostics

Male genitalia provide critical diagnostic features within Psaphidini, including ampulla size and structure, presence and position of elasmas on the vesica, and details of the juxta and .