Grasshoppers, Locusts, Crickets, Cockroaches, Etc., of MinnesotaMcGill-Warner Company, 1897 - 294 Seiten |
Häufige Begriffe und Wortgruppen
abdomen angle antennæ apex apical half band basal base blackish broad brown brownish cerci Cerci of male cockroaches color crickets curved dark disk distinct distinctly dorsal dusky eggs Elytra extending eyes fastigium feebly female front frontal costa furcula fuscous GENUS grasshoppers green head and pronotum hind femora hind tibiæ hind wings hopper-dozers infuscated inner insects joint large numbers larvæ lateral carinæ lateral lobes legs Length of body less locusts longer lower male abdomen Measurements.-Male median carina Melanoplus mesothorax metathorax metazona migratory locusts Minnesota narrow nearly oblique ocellus Original Orthoptera outer ovipositor pale piceous plowing portion posterior femora posterior tibiæ prominent pronotum Prosternal spine prozona pupa reddish-brown roaches Rocky Mountain Locust rounded Scudder segment short shorter shown in Fig side slender slightly sometimes species specimens spots straight stridulating stripe sub-family sub-genital plate sulcate sulcus surface tarsi tegmina tergum testaceous thorax transverse tumid upper usually vein vertex wing-covers yellow yellowish
Beliebte Passagen
Seite 192 - ... spine in the outer row is of much greater importance. Besides these spines there are four articulated spurs, which are situated in two pairs, one on the outer and one on the inner side of the tibiae.
Seite 92 - Onward they came, a dark continuous cloud Of congregated myriads numberless, The rushing of whose wings was as the sound Of a broad river, headlong in its course Plunged from a mountain summit; or the roar Of a wild ocean in the autumn storm, Shattering its billows on a shore of rocks.
Seite 130 - Riley). small orange-colored, six-legged and very active mites, fig. 13, b, whose aim in life seems to be to find living food, to which they fasten themselves. If they succeed in finding a locust, they fasten themselves very...
Seite 165 - The front wings are first rolled longitudinally to a point, and as they expand and unroll, the hind wings, which are tucked and gathered along the veins, at first curl over them. In ten or fifteen minutes from the time of extrication, these wings are fully expanded and hang down like dampened rags. From this point on, the broad hind wings begin to fold up like fans beneath the narrower front ones, and in another ten minutes they have assumed the normal attitude of rest. Meanwhile the pale colors...
Seite 125 - Pratt informs the writer is very successfully used in London, England, consists of any deep vessel or jar, against which a number of sticks are placed, and bent over so that they project into the interior of the vessel for a few inches. The vessel is partially filled with stale beer or ale, a liquid for which roaches seem to have a special fondness. In the morning these vessels are found charged with great quantities of dead and dying roaches, which have climbed up the inclined sticks and slipped...
Seite 126 - Folk-lore," published in a recent number of Scribner's Magazine) as current among the Mexicans: "To Get Rid of Cockroaches. — Catch three and put them in a bottle, and so carry them to where two roads cross. Here hold the bottle upside down, and as they fall out repeat aloud three credos. Then all the cockroaches in the house from which these three came will go away.
Seite 163 - ... the wingpads, is noticed to swell. Presently the skin along this swollen portion splits right along the middle of the head and thorax, starting by a transverse, curved suture between the eyes, and ending at the base of the abdomen. "Let us now imagine that we are watching one from the moment of this splitting, and when it presents the appearance of Fig.
Seite 173 - Posterior femora fitted for jumping, ie very much stouter or very much longer, or both stouter and longer that the middle femora; ovipositor horny, free (except with the Mole crickets); organs of flight of immature forms inverted ; stridulating insects. B. Antennae short; tarsi three-jointed; supposed organs of hearing situated in the first abdominal segment ; ovipositor short, composed of four separate plates; stridulating organs situated in hind femora and the costal area of the tegmina.
Seite 310 - I first noticed this while watc'hing one of the little creatures close beside me; as a cloud passed over the sun he suddenly changed his note to one with which I was already familiar, but without knowing to what insect it belonged. At the same time all the individuals around me, whose similar day song I had heard, began to respond with the night cry; the cloud passed away, and the original note was resumed on all sides. Judging that they preferred the night song to that of the day, from their increased...
Seite 166 - ... and fourth, by rubbing together the upper surface of the front edge of the wings and the under surface of the wing-covers.