Lithostege

Hübner, [1825]

Species Guides

Lithostege is a -rich of geometrid moths in the Larentiinae, containing approximately 53 described species worldwide. The genus was erected by Jacob Hübner in 1825 and exhibits a predominantly Palaearctic distribution, with species recorded across Europe, Asia, and North America. African occurrences are limited to northern Palaearctic regions. The genus is taxonomically well-studied, with recent revisions adding new species from Iran, Pakistan, Afghanistan, Tajikistan, and China.

Lithostege deserticola by (c) Sue Carnahan, some rights reserved (CC BY), uploaded by Sue Carnahan. Used under a CC-BY license.

Lithostege by (c) Kristof Zyskowski, some rights reserved (CC BY), uploaded by Kristof Zyskowski. Used under a CC-BY license.

Lithostege angulata by the Smithsonian. Used under a CC0 license.

Pronunciation

How to pronounce Lithostege: /ˌlɪθəˈstiːdʒeɪ/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Diagnostic morphological features of Lithostege include narrow forewings with two areoles, greatly reduced hindwings, and distinctive male genitalia with a rib-like . Males possess short anal in the hindwings concealed within an elongated basal pocket. The forelegs exhibit enlarged with markedly short tibiae bearing tooth-like projections. -level identification relies heavily on genitalic , particularly the structure of the valvae, harpe, saccus, and .

Images

Habitat

have been recorded from diverse environments including desert regions, mountainous areas, and steppe . Specific elevation records include 970 m in eastern Afghanistan (Herat). The shows to arid and semi-arid conditions across its range.

Distribution

Widespread across the Holarctic with greatest diversity in the Palaearctic region. Recorded from Europe (including Scandinavia: Denmark, Sweden), Asia (Iran, Pakistan, Afghanistan, Tajikistan, China, Central Asia, Middle East), and North America. Absent from Australia. African records restricted to northern Palaearctic areas.

Similar Taxa

Other Larentiinae generaLithostege is distinguished from related by the combination of reduced hindwings, foreleg with enlarged and short tibiae with tooth-like projections, and the distinctive rib-like in male genitalia. Many Larentiinae have more fully developed hindwings and lack these specialized leg modifications.