. Nature-study; a manual for teachers and students. Nature study. TYPICAL INSECTS 191 The lower lip (second pair of maxillae) is generally folded like a mask over the lower part of the face, but it can be suddenly shot out to seize mosquito "wrigglers" and other. ±. Whiiling-beetle. z. Diving--beetre. 3. Mosquito Wriijglers. 4. Water-strider. Fig. 50. Some Aquatic Insects. 5. Back-swimmer. 6. " Electric-light" Bug-. 7. Long-bodied Water-scorpion. 8. Short Water-scorpion, 9. Water Scavenger-beetle. 10. Water Boatman. 11. Caddis-worm. 12. Dragon-fly Larva. 13, Larva of Water-
. Nature-study; a manual for teachers and students. Nature study. TYPICAL INSECTS 191 The lower lip (second pair of maxillae) is generally folded like a mask over the lower part of the face, but it can be suddenly shot out to seize mosquito "wrigglers" and other. ±. Whiiling-beetle. z. Diving--beetre. 3. Mosquito Wriijglers. 4. Water-strider. Fig. 50. Some Aquatic Insects. 5. Back-swimmer. 6. " Electric-light" Bug-. 7. Long-bodied Water-scorpion. 8. Short Water-scorpion, 9. Water Scavenger-beetle. 10. Water Boatman. 11. Caddis-worm. 12. Dragon-fly Larva. 13, Larva of Water-scavenger, Water-tiger. aquatic creatures. With a pin or forceps, pull out the lip and examine it. During its growth the young dragon-fly moults several times. When about ready for the final moult, the insect crawls out of the water upon the shore or on some projecting plant, then splits its nymph skin along the back, and emerges. 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 Holtz, Frederick Leopold, 1870-. New York, C. Scribner's Sons
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