The Spotted Beet Webworm Moth's caterpillar happily expanded its diet to include more than just its namesake.
The migratory Spotted Beet Webworm Moth flies north for the summer. The brown moth has white bands on the wings can be seen from May through late autumn in colder parts of its vast range. It is year round in the warmer, southern parts of the range. Like many months, it is nocturnal and comes to lights at night.
Caterpillars are green with purple spots on their head. They commonly feed on beets (beetroot), but they also consume chard, potatoes, and amaranth. They use caterpillar silk to build tough webs that serve as a shelter for it while it feasts.
Scientific Name: Hymenia perspectalis
Butterfly or Moth
Size (Adult; Length): 16mm to 22mm (0.62in to 0.86in)
Note: An insect's reach is not limited by lines drawn on a map and therefore species may appear in areas, regions and/or states beyond those listed above as they are driven by environmental factors (such as climate change), available food supplies and mating patterns. Grayed-out selections indicate that the subject in question has not been reported in that particular territory. U.S. states and Canadian provinces / territories are clickable to their respective bug listings.
Butterfly and Moth Anatomy
Antennae: Butterflies and Moths have a pair of antennae on the head used as sensors.
Head: The head is home to the insect's eyes, antennae, and proboscis.
Thorax: Home to the three pairs of legs as well as vital internal organs.
Abdomen: Contains vital internal organs such as the heart(s) and reproduction facilities.
Forewing: The upper, forward wing pair used for flying.
Hindwing: The lower, rearward wing pair used for flying.
NOTE: Butterflies and Moths are part of the Lepidopteran order as they share many similarities.