. Nature sketches in temperate America, a series of sketches and a popular account of insects, birds, and plants, treated from some aspects of their evolution and ecological relations . id to concealment when the locusts are on the ground. Iffurther molested, they often attempt concealment by crouchingamong the grasses or other herbage, making it very difficultto find them. In their headlong aerial flights these insects not infrequentlycatch upon a weed with their feet before falling to the this way they check the progress of their flight. McNeilin Psyche has recorded finding a colony
. Nature sketches in temperate America, a series of sketches and a popular account of insects, birds, and plants, treated from some aspects of their evolution and ecological relations . id to concealment when the locusts are on the ground. Iffurther molested, they often attempt concealment by crouchingamong the grasses or other herbage, making it very difficultto find them. In their headlong aerial flights these insects not infrequentlycatch upon a weed with their feet before falling to the this way they check the progress of their flight. McNeilin Psyche has recorded finding a colony that establishedthemselves in a certain point near Colona, Henry County,Illinois, which frequented a patch of Johnson grass. Sorghumkalepense. That the habits of the leather-colored locusts arequite changeable is shown from the observations of Blatchley,who notes that in Indiana this species is abundant about themarshy meadows, where it makes its home in the rank grasses,weeds, and rushes which grow in such places. Finally, I find in my notes that I observed a large numberof these Orthoptera associated together near the shore of Lake ECOLOGY —INTERPRETATION OF ENVIRONMENT 309. The Leather-colored Locust (Schisiocerca alutacca). Vpper figure, female, olive-green in life: lower figure, male, yellowish brown in life. 370 NATURE SKETCHES IN TEMPERATE AMERICA Michigan, at Cheltenham, Chicago. They had gathered innumbers on some sand-binding grasses, weeds of various kinds,and willow shrubs. They would fly wildly when disturbed,the northeast wind which was blowing strongly at the timecarrying them inland with great velocity across the stretchesof waste ground. The difference in the color varieties was verynoticeable here; the majority of the females were plain reddishbrown, while the brownish and olive males, which had thedistinct median yellow stripe, predominated. As these werebrought together indiscriminately while mating, the contrastin coloring was strikingly noticeable. Sexu
Size: 1301px × 1921px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectbirds, booksubjectins
