''Hypotrix alamosa'' is a moth of the family

Noctuidae The Noctuidae, commonly known as owlet moths, cutworms or armyworms, are a family of moths. They are considered the most controversial family in the superfamily Noctuoidea because many of the clades are constantly changing, along with the other f ...

first described by

William Barnes William Barnes (22 February 1801 – 7 October 1886) was an English polymath, writer, poet, philologist, priest, mathematician, engraving artist and inventor. He wrote over 800 poems, some in Dorset dialect, and much other work, including a co ...

in 1904. It is known only from the United States in south-eastern Arizona. Adults are on wing from early June to mid-July and early to late September.

Description

This species occurs in two forms. In the darker, more-common form, the forewing is reddish brown with the maculation (spots) sharply defined by dark-red lines. The medial area is similar in color to the remainder of the forewing and the postmedial line touches, or almost touches, the reniform spot. Superficially this form is most similar to ''

Hypotrix hueco ''Hypotrix hueco'' is a moth of the family Noctuidae first described by William Barnes in 1904. It is known only from south-eastern Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United Stat ...

'' and '' Xestia bolteri'', both of which occur with ''H. alamosa''. It differs from ''X. bolteri'' in that ''H. alamosa'' has smaller reniform, orbicular, and claviform spots, and in lacking spiniform setae on the tibiae. The pale form of ''H. alamosa'' looks like the specimens have been bleached, so the forewing is light orange with the maculation weakly defined by fine yellow lines. The dark and light forms frequently occur together and the two syntypes of ''H. alamosa'' represent a specimen of each form.

External links

A revision of the genus ''Hypotrix'' Guenée in North America with descriptions of four new species and a new genus (Lepidoptera, Noctuidae, Noctuinae, Eriopygini)
* Hypotrix Moths described in 1904 Taxa named by William Barnes (entomologist) {{Hadeninae-stub