Hypotrix alamosa
Encyclopedia
Hypotrix alamosa is a moth
of the Noctuidae
family. It is known only from south-eastern Arizona
.
Adults are on wing from early June to mid-July and early to late September.
reniform spot. Superficially this form is most similar to Hypotrix hueco
and Xestia bolteri
, both of which occur with H. alamosa. It differs from Xestia 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.
Moth
A moth is an insect closely related to the butterfly, both being of the order Lepidoptera. Moths form the majority of this order; there are thought to be 150,000 to 250,000 different species of moth , with thousands of species yet to be described...
of the Noctuidae
Noctuidae
The Noctuidae or owlet moths are a family of robustly-built moths that includes more than 35,000 known species out of possibly 100,000 total, in more than 4,200 genera. They constitute the largest family in the Lepidoptera....
family. It is known only from south-eastern Arizona
Arizona
Arizona ; is a state located in the southwestern region of the United States. It is also part of the western United States and the mountain west. The capital and largest city is Phoenix...
.
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 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, thereniform spot. Superficially this form is most similar to Hypotrix hueco
Hypotrix hueco
Hypotrix hueco is a moth of the Noctuidae family. It is known only from south-eastern Arizona.The length of the forewings is 14-16 mm. Adults are on wing from mid-June to mid-August.-External links:**...
and Xestia bolteri
Xestia bolteri
Xestia bolteri is a moth of the Noctuidae family. It is known from North America, including Arizona, New Mexico, Utah and Colorado.The wingspan is about 35 mm....
, both of which occur with H. alamosa. It differs from Xestia 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.