. 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 . nted with some queer performances of theCarolina locust. More like a large moth or butterfly than agrasshopper, a male individual started from the sandy ground,mounting into the air to a height of about three feet. Therehe balanced himself in mid-air for a period of several first his wings vibrated very rapidly, but toward the end ofthe flight they became slower, and then occurred the final dropto th
. 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 . nted with some queer performances of theCarolina locust. More like a large moth or butterfly than agrasshopper, a male individual started from the sandy ground,mounting into the air to a height of about three feet. Therehe balanced himself in mid-air for a period of several first his wings vibrated very rapidly, but toward the end ofthe flight they became slower, and then occurred the final dropto the ground as previously mentioned. While in the air,toward the last, I noticed the dark wings with their lightborder, and even the rusty hue of the tegmina, or first pair ofwings. After this individual dropped to the ground, I found, oncareful approach, that two other males were close by. Allthree were then having an active greeting, each one taking partin stridulating, the queer-looking trio rubbing their thighs upand down against the wing-covers. This enjoyable meeting,which lasted for the greater part of a minute, had the effect of ECOLOGY — INTERPRETATION OF ENVIRONMENT 343. The Carolina Locmt (Dissosteira Carolina). Top figure male with spread wings, lower figure female. These imects are common in August and September. 344 NATURE SKETCHES IN TEMPERATE AMERICA attracting the pretty male of the sprinkled locust, Chlcealtisconspersa, and in a moment he also joined=in the jollification. Ihave witnessed many of these manoeuvres, where only the maleswere present, the females taking no part in the play performances always occur in the heat of the sun, and thehotter the day, the greater the activity displayed by the seems no doubt but that these acridians have a culti-vated ear for grasshopper music aside from its mere secondarysexual attraction. In the plate photographic illustration, the upper figureshows the male with spread wings; the lower figure p
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Photo credit: © Reading Room 2020 / Alamy / Afripics
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbirds, booksubjectins
