. Birds of a Maryland farm : a local study of economic ornithology . ury doneto melons by the flea-beetle (Systena elongate/). Its congener, the pale-striped flea-beetle (Systena hlanda—fig. 7) is alsoabundant on the farm and one or the other has beenfound harmful to corn, melons, and beans. Else-where they have attacked fruit trees and , however, they appeared to form thenatural beetle food of several ground-feeding spe-cies of birds and were sought for even when theywere very scarce. They were seen in the stomachsof 28 birds, including the savanna, the grasshop-per, the c


. Birds of a Maryland farm : a local study of economic ornithology . ury doneto melons by the flea-beetle (Systena elongate/). Its congener, the pale-striped flea-beetle (Systena hlanda—fig. 7) is alsoabundant on the farm and one or the other has beenfound harmful to corn, melons, and beans. Else-where they have attacked fruit trees and , however, they appeared to form thenatural beetle food of several ground-feeding spe-cies of birds and were sought for even when theywere very scarce. They were seen in the stomachsof 28 birds, including the savanna, the grasshop-per, the chipping, the song, the field, and the white-throated sparrows, the crow, the crow blackbird,the bobolink, the meadowlark, the house wren, andthe Maryland yellow-throat. Systena Wanda wasfound on ragweed in a field of ripe standingwheat. June 16,1898. Eleven chipping sparrows that had been flyinginto the field were shot. None had taken wheat and eight had fed onthe beetles, destroying in all 73. The .smallest number found in asingle stomach was 5, the largest Fig. 7.—Pale-striped flea-beetle {Systena blanda)(after Chittenden ;loaned by Division ofEntomology i. INSECT FO;>D. 31 Rose-chafer.—During the last week of May, 1896, the rose-chafer(rig. 8) was present in such numbers that 100 individuals were countedon one rosebush and three times that number on an adjacent blossom-


Size: 1346px × 1855px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, booksubjectbirds, bookyear1902