Lesser Cornstalk Borer Moth
Common NameLesser Cornstalk Borer Moth
Scientific NameElasmopalpus lignosellus
FamilyPyralidae
SubfamilyPhycitinae
Wingspan (mm)20
Wing Patternstriped
Primary Colorstan, dark brown
HabitatAgricultural fields, cultivated areas, grasslands, disturbed areas
Geographic RangeSouthern United States, Central America, South America, Caribbean
Host Plantscorn, sorghum, sugarcane, peanut, soybean, wheat, oats, rye, various grasses
Flight PeriodMay to October (multiple generations in warmer climates)
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae, known as cornstalk borers, bore into the stems of host plants near the soil line, causing significant damage. They overwinter as larvae or pupae in the soil, with multiple generations occurring annually.
Identification TipsKey features include its small size, slender body, elongated forewings with a distinct pale central stripe and darker margins, and the characteristic upward-curving labial palps visible on the head.
Description
A small, slender moth with elongated forewings that are pale yellowish-brown to tan, bordered by darker brown stripes along the costal and inner margins. It possesses prominent, upward-curving labial palps.
