. Zoölogy [microform] : descriptive and practical. Zoology; Zoologie. 34 Descriptive Zoology. Ii The legless larva is called a maggot After living in this larval skm. which is called a puparium. (See Fig. 27.) In a week more it emerges as a fly. There may be, therefore, ten or a dozen generations in a single summer. A small number hve over winter, hiding in crevices in walls and similar places. House flies are worse than mere nuisances, they are spreaders of disease. On the other hand thev do much good as scavengers. How FUes Crawl. -The fly has many little hairlike pro- jections on its feet.
. Zoölogy [microform] : descriptive and practical. Zoology; Zoologie. 34 Descriptive Zoology. Ii The legless larva is called a maggot After living in this larval skm. which is called a puparium. (See Fig. 27.) In a week more it emerges as a fly. There may be, therefore, ten or a dozen generations in a single summer. A small number hve over winter, hiding in crevices in walls and similar places. House flies are worse than mere nuisances, they are spreaders of disease. On the other hand thev do much good as scavengers. How FUes Crawl. -The fly has many little hairlike pro- jections on its feet. These secrete a sticky substance from their ends, by means of which the fly adheres to smooth walls and ceihngs. ''^" o**"""-^ The stable flies closely resemble the house flies, but have a sharp, piercing sucking tube. They sometimes find their way mto houses, especially on warm, rainy dayJin the f^ On ** " *he other hand many of the flies seen about stables are house flies. The horseflies are well known, the most common being known as the "greenhead"; a still larger form is dull black, in the West is called "bulldog," from its size and persistency; still smaller than either are those with banded wings, and these usually have the wings spread wider so that the fly looks ⢠triangular; some of these are called " deer ; It is a surprise to find ,â^ â ⢠. ^^^ ^'S ^'ack horseflies abundant Among the forms that annoy man and beasi are the black flies or midges, often swarming in the Adirondacks. On account of their smallness the Indians call them «; To Zd himsdJ l^T H "h '"? *'^ '""*^^ ^"^ '"^^ ««h- °ft- an'^fnt th face and the hands with a mixture of tar and oU of pennyroyal. Fig. 28. The Bee Killer. From Hyatt's Instcta. â ^:. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readab
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1903
