. Elementary entomology . Fig. 126. A damsel-fly (Lestes uiicata Kirby), female (After Needham) notch and strong cross vein, called the nodus. The mouth-parts are well developed and are of the biting type, both larvae and adults being predacious upon other insects. The dragon-ffies and damsel-flies are distinguishable both as adults and as nymphs. The adult damsel- fly holds the wings vertically over the back when at rest, like a butter- fly ; the fore and hind wings are similar in shape, and the nymphs have three long, leaf like tracheal gills projecting from the tip of the abdomen. The drago
. Elementary entomology . Fig. 126. A damsel-fly (Lestes uiicata Kirby), female (After Needham) notch and strong cross vein, called the nodus. The mouth-parts are well developed and are of the biting type, both larvae and adults being predacious upon other insects. The dragon-ffies and damsel-flies are distinguishable both as adults and as nymphs. The adult damsel- fly holds the wings vertically over the back when at rest, like a butter- fly ; the fore and hind wings are similar in shape, and the nymphs have three long, leaf like tracheal gills projecting from the tip of the abdomen. The dragon-flies hold their wings horizontally when at rest, the hind wings are usually much broader at the base, and the
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Keywords: ., bookcentury1900, bookdecade1, booksubjectentomology, bookyear1912
