. The American entomologist. Entomology. THE AMERICAN PODISUS SPINOSUS:—rt, enlarged beak ; l>, bug, with right wings expand- ed (after Riley). THE COLORADO POTATO-BEETLE. \Conduded from /. 170.! That the Colorado Potato-beetle has many natural enemies among insects of other orders, is now well known. Among the most formidable of these are the Lady- [Fig. 99.] birds {Coccinellidce) and the Soldier-bugs. The most commonly found of these are the Spined Soldier-bug {Podistis spinosus Dallas Fig. 99), and the Many-banded Robber Harpactor duc- tus Fab., Fig. 100). A two-winged fly
. The American entomologist. Entomology. THE AMERICAN PODISUS SPINOSUS:—rt, enlarged beak ; l>, bug, with right wings expand- ed (after Riley). THE COLORADO POTATO-BEETLE. \Conduded from /. 170.! That the Colorado Potato-beetle has many natural enemies among insects of other orders, is now well known. Among the most formidable of these are the Lady- [Fig. 99.] birds {Coccinellidce) and the Soldier-bugs. The most commonly found of these are the Spined Soldier-bug {Podistis spinosus Dallas Fig. 99), and the Many-banded Robber Harpactor duc- tus Fab., Fig. 100). A two-winged fly {Lydella doryphorce Riley, Fig. 102) is also parasitic in the grubs. There are also several species of the Ti- ger beetles and Ground -beetles that occasional- ly attack the grubs, and de- vour more or less during the season. Anoth- er enemy which promises to be Cient ter Riley). aid in keeping this pest in check, is the Potato-beetle mite (Uropoda americana Riley, Fig. loi). It is a very minute and interesting species of mite belonging to the Acaritta, and was first discovered in Ohio, and sent to Prof. Riley in 1873. The past season (1879) I found this para- site quite abundant in New Jersey, and it was apparently doing good work in de- [Fic. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original New York : Max Jaegerhuber
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectentomology, bookyear1
