. Elementary studies in insect life. Insects. 156 ELEMENTARY STUDIES IN INSECT LIFE lected. The pupa takes air through a spiracle near the head. When the insect is ready to emerge, the pupa rests at the surface of the water, the dorsal portion of the- body slightly out of the water. The pupal case splits, and the mosquito draws out first the fore legs, which are placed on the water to serve as a support while the rest of the body is withdrawn. The wings expand quickly,. FIG. 124. Mosquito (Culex pungens), female. (After Howard ) and the insect flies away. The pupal case serves as a raft upon w
. Elementary studies in insect life. Insects. 156 ELEMENTARY STUDIES IN INSECT LIFE lected. The pupa takes air through a spiracle near the head. When the insect is ready to emerge, the pupa rests at the surface of the water, the dorsal portion of the- body slightly out of the water. The pupal case splits, and the mosquito draws out first the fore legs, which are placed on the water to serve as a support while the rest of the body is withdrawn. The wings expand quickly,. FIG. 124. Mosquito (Culex pungens), female. (After Howard ) and the insect flies away. The pupal case serves as a raft upon which the insect floats momentarily while the wings are drying. Should there be a brisk wind at this moment, the insect will be blown from its raft and drowned. This is not an infrequent calamity in the life history of the mosquito. In the matter of remedies we are all familiar with the use of mosquito netting over doors and windows of dwellings. The best means of dealing with the mos- quito are preventive. Rain-barrels should be kept se- curely covered. A rain-barrel allowed to stand open with sufficient dregs will furnish a breeding-place for enough mosquitoes to torment a household. There are three principal remedies: standing pools can be drained; ponds can be well stocked with fish; or kero-. 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 Hunter, Samuel John, 1866-1946. Topeka, Kan. , Crane & company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsects, bookyear1902
