5. Hyperstrotia secta (Grote) Black-patched Graylet
(Figs. 33–34, Map 17)
Identification. Forewing length 8.0– 9.5 mm. Hyperstrotia secta is very similar to H. villificans, but has a large black patch along the posterior margin of the forewing, similar to Tripudia rectangula . The forewing reniform spot consists of 2 small black dots that are not coalesced as they may be in some specimens of H. villificans, and the marginal dots are smaller and darker than in H. villificans .
Flight period. May to July.
Collected localities. North Carolina: Haywood Co.: Purchase Knob, NW of house; Swain Co.: 0.5 km from mouth of Chambers Creek, 300 feet up hillside on NW side; Oconaluftee Staff Apartments. Tennessee: Blount Co.: Cades Cove Ranger Station; Tremont; Cocke Co.: Cosby Ranger Station; Foothills Parkway East, 1.3 mi N of 321; Sevier Co.: ca. 7 mi S Sugarlands Visitor Center; above Chimneys Campground. (10 specimens)
Elevation range. 1390–4911 ft. (424–1497 m)
General distribution. From Massachusetts to North Carolina, west to Texas, Missouri, Illinois, and Michigan.
Larval hosts. White oak ( Quercus alba L.) and northern red oak ( Q. rubra L., Fagaceae).
MAP 17. Collecting localities of Hyperstrotia secta .