Bulletin of the of Agriculture . of only per cent. The speciesselected, however, are important. Cotton boll weevils (Anthonomusgrandis), 45 in number, were found in 6 stomachs; Hyperapunctata, the clover weevil, was found in 1 stomach; Sitona hispi-dula, a weevil that does great damage at times, in 10; and JS. flaves-cens, another destructive species, in 2 stomachs. Others of the genusSitona, not specifically identified, were found in 30 stomachs. Tomi-cus pini, an engraver beetle most destructive to pine trees, was foundin 11 stomachs. Altogether weevils were found in 61 sto
Bulletin of the of Agriculture . of only per cent. The speciesselected, however, are important. Cotton boll weevils (Anthonomusgrandis), 45 in number, were found in 6 stomachs; Hyperapunctata, the clover weevil, was found in 1 stomach; Sitona hispi-dula, a weevil that does great damage at times, in 10; and JS. flaves-cens, another destructive species, in 2 stomachs. Others of the genusSitona, not specifically identified, were found in 30 stomachs. Tomi-cus pini, an engraver beetle most destructive to pine trees, was foundin 11 stomachs. Altogether weevils were found in 61 stomachs, oneof which contained 68 individuals, another 40, and a third other beetles are several forms commonly known as fleabeetles. One of these, Epitrix cucumeris, very destructive to cucum-bers, potatoes, and other vegetables, was found in 19 species of similar habits, found in stomachs of tree swallows,are Haltica foliacea and Phyllotreta sinuata. In all, 43 species of Bu!. 619, U. S. Dept. of Agriculture. Plate Tree Swallow (Upper), Rough-Winged Swallow (Middle), and Violet-Green Swallow (Lower). FOOD HABITS OF THE SWALLOWS. 17 beetles were identified, of which the majority are injurious to plantlife in some form. Ants ( per cent), many of which are winged forms, seem to bewell relished by tree swallows. Most of them are eaten from May toOctober. February is the month of maximum consumption (25 percent) ; but as only 4 stomachs were taken in this month, the recordcan not be considered representative. The great bulk of this foodwas taken from May to October. Hymenoptera other than ants( per cent) were taken in every month but two, March andDecember; and as but few stomachs were secured in these months,the omission is probably accidental. This item of food is made upof wild bees and wasps, with a large proportion of parasitic domestic bees were observed. Hemiptera, the order including widely different insects, from thelittle pla
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagriculture, bookyear
