. First lessons in zoology. Zoology. FIRST LESSONS IN ZOOLOGY. Fig. -i;cak wings a pair of delicate little knobbed processes projecting from the body ? These are called balancers and they aid the moscjuito in directing its flight. Note the long, piercing and sucking beak (fig. 2) by means of which the mosquito gets its food, which is either the blood of animals or the sap of plants. The male mosquitoes never (or very rarely) suck blood. On each side of the beak, and arising at its base, is â1 female mosquito a pair of feelers or palpi, pre- dissccted tu ^how the piercing sumably organs for sme
. First lessons in zoology. Zoology. FIRST LESSONS IN ZOOLOGY. Fig. -i;cak wings a pair of delicate little knobbed processes projecting from the body ? These are called balancers and they aid the moscjuito in directing its flight. Note the long, piercing and sucking beak (fig. 2) by means of which the mosquito gets its food, which is either the blood of animals or the sap of plants. The male mosquitoes never (or very rarely) suck blood. On each side of the beak, and arising at its base, is â1 female mosquito a pair of feelers or palpi, pre- dissccted tu ^how the piercing sumably organs for smelling iieedle-likL- parts, and their . i â i i . sheath; , the maxilhiry and tastmg, or which at least palpi, or feelers of the mouth, ^j^j j,., determining the charac- ter of the food. These palpi are as long as the beak in the males, but less than half as long in the females. What are the large lilack spots on the head } Make a drawing of a mosquito, showing and naming these parts. If some of the mosquitoes are kept alive in jars filled with water and covered with netting the females may perhaps lay eggs on the surface of the water. Kut it is not at all certain that they will ; indeed, the}' seem to lay eggs only rarely when thus kept in confinement. If a slice of banana be put in the jar the mosquitoes may be seen to suck the sap from it, and they may be kept alive for many da}'S if given fresh banana e\'er\' three or foiu" daj's. If the egg-laying occurs, the life-liistory of our mosquitoes is completed. A new c)'clc is about to begin. Distribution of mosquitoes. - Mostiuitoes are distrib- uted all over the world, l)eing found in enormous numbers in arctic regions and on high mountain ranges as well as in the tropics, and in swamps and marshy valley's. j\|j(ji_it. 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 t
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectzoology, bookyear1903
