Economic entomology for the farmer and fruit-grower : and for use as a text-book in agricultural schools and colleges . leo ; thesecond with long, slender antennae, enlarging suddenly into aflattened club. The head is larger and the body more robust,covered with stiff bristly hair, giving the insects a fierce appear-ance. The most common genus is Ascalaphus, and the larvalhabits are not known, though it is probable, from what we learnof foreign species, that they do not build pits or traps. Thoughinteresting, the family is of no economic importance. An odd family is the Mantispidce. so named f
Economic entomology for the farmer and fruit-grower : and for use as a text-book in agricultural schools and colleges . leo ; thesecond with long, slender antennae, enlarging suddenly into aflattened club. The head is larger and the body more robust,covered with stiff bristly hair, giving the insects a fierce appear-ance. The most common genus is Ascalaphus, and the larvalhabits are not known, though it is probable, from what we learnof foreign species, that they do not build pits or traps. Thoughinteresting, the family is of no economic importance. An odd family is the Mantispidce. so named from the peculiarresemblance which they bear to the Orthopterous genus species are not common, and are easily recognized by theenormously developed forelegs, which are fitted for grasping, andare inserted into a long and slender prothorax. They are pre-daceous, while their larvae are parasitic in the egg-sacs of eggs are laid on stalks, as with the lace-wings, and theslender larvae that hatch from them live through the winter with-out food, becoming active again in spring, when they seek the. Myrmeleo species.—The adult above; the larva in its pit,which is shown in section. JHE INSECT WORLD. 77 egg-sacs of Lycosid or running spiders. The larva, that succeeds,enters the sac and begins feeding upon the eggs, gradually losingits active form and becoming clumsy and grub-like. The pupaforms within the larval skin, and after the adultappears. Very curious creatures are the Panorpidce, or scorpion-flies, usually ranked as an order under the term have netted wings similar to but more robust than the lace-wings, but have the mouth prolonged into a beak, at theend of which the biting parts are situated. In the genus Pan-of-pa the males have a pair of huge anal forceps, curved up some- FiG. 42. Fig. 43.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsectp, bookyear1906
