Читать книгу The Biotic Associations of Cockroaches - Edwin R. Willis - Страница 96

U.S.A.—Apparently found in greatest abundance in the extreme desert conditions of the southwestern United States (Hebard, 1917). Two small groups of males were observed in the midst of the sandy desert north of Yuma, Ariz.; these insects alternately flew and ran over the sand in the hot sun while headed in a southwesterly direction (Wheeler, 1911).