Synonyms and other taxonomic changes
Crambus praefectellus (Zincken, 1821)
Chilo praefectellus Zincken, 1821
Crambus involutellus Clemens, 1860
Crambus oslarellus Haimbach, 1908
* phylogenetic sequence #159625
Explanation of Names
Praefectus is Latin for "in charge, commander."
Common to uncommon; usually occurs in small numbers.
Adult - forewing brownish-orange with long white or silvery stripe, tapered at both ends; width of stripe at base less than or equal to distance from stripe to costa; several thin black lines run from white stripe to ST line, which is single and inconspicuous; subterminal area with several short whitish streaks, each terminating in a black dot; oblique dark streak at apex, surrounded by whitish wedges; fringe white or pale yellowish; hindwing pale brownish-gray to whitish with white fringe.
United States and southern Canada east of the Rockies.
Fields, weedy areas, waste places; adults rest in grass or weeds during day, becoming active at dusk, and are attracted to light.
May to September in the north; April to October in mid-latitudes; probably all year in southern Florida and Texas.
Larvae feed on grasses and cereal grains.
One to several generations per year; eggs are laid while flying low over ground; larvae feed nocturnally for 3-4 weeks; life cycle lasts 5-8 weeks.
) width of forewing stripe at base greater than distance between stripe and costa
) forewing has double stripe (i.e. white area divided by brown strip)
) forewing has double ST line, and several double black streaks running from white stripe to ST line
pinned adult image
(David Smith, Furman U., South Carolina)
presence in Florida; list
(John Heppner, Florida State Collection of Arthropods)