Guide to the Study of Insects: And a Treatise on Those Injurious and Beneficial to Crops : for the Use of Colleges, Farm-schools, and Agriculturists |
Other editions - View all
Common terms and phrases
abdomen allied anal antennæ appear appendages band bark basal bees beetle beneath body broad brood brown caterpillars cells clypeus cocoon Coleoptera color costal coxæ cylindrical dark developed Diptera dorsal dots edge eggs elongated elytra eyes Fabr feeds female flattened fleshy flies fore wings four-jointed front gall genera genus green habits hairs Harris hatched head Hemiptera hind wings Hymenoptera inch long insects joint labial palpi labium larva larvæ Latreille leaves legs length Lepidoptera Linn live male mandibles maxillæ maxillary palpi mesothorax middle moth moult mouth-parts Myriapods nearly nest Neuroptera ocelli Orthoptera outer oval ovipositor pair pale parasitic Plate posterior prothorax pupa pupæ reddish resemble ring rounded segments short side skin slender species specimens spiders spines spots subcostal suborder surface thick thorax tibiæ trachea transverse trees tube tubercles usually veins wasp Westwood whitish wingless worm yellow yellowish
Popular passages
Page 301 - is reddish brown, with two oblique, dirty white lines on the fore wings. It expands from an inch and a quarter to an inch and a half. The Forest Tent caterpillar, C.
Page 374 - destructor Say, or Hessian-fly (Fig. 279), has two broods, as the flies appear in the spring and autumn. At each of these periods the fly lays twenty or thirty eggs in a crease in the leaf of the young ' plant. In about four days, in warm weather, they hatch and the
Page 303 - The revolution wrought in our collections, and our knowledge of species since its use, is wonderful." "The mixture is taken to the woods, and put upon the trunks of trees in patches or stripes, just at dusk. Before it is dark some moths arrive, and a succession of comers
Page 390 - The powder should be well rubbed in all over the skin ; or the dog, if small, can be put into a bag previously dusted with the powder ; in either case the dog should be washed soon after." One of the most serious insect torments of the tropics of America is the Sarcopsylla (Rynchoprion of Oken)
Page 228 - The larva, or grub, is yellowish white, of a cylindrical shape, rounded behind, with a conical, horny point on the upper part of the hinder extremity, and it grows to the length of about an inch and a half. It is often destroyed by the maggots of two kinds of Ichneumon-flies
Page 409 - palpi (mp) are single-jointed, and the mandibles (m) are comparatively useless, being very short and small compared with the lancet-like jaws of the mosquito or horse-fly. But the structure of the tongue itself (labium, 1) is most curious. When the fly settles upon a lump of sugar or other sweet object, it unbends
Page 100 - Harris, TW A Treatise on some of the Insects of New England, which are injurious to Vegetation. Third edition, illustrated. Boston,
Page 249 - this genus, and its allies, the wings are rounded and entire on the edges, and are grooved on the inner edge to receive the abdomen. The greenish caterpillars are slender, "tapering a very little toward each end, and are sparingly clothed with a short down which is quite apparent, however, in Pieris
Page 543 - the buds, terminal shoots, and most succulent growing parts of these and other herbaceous plants, puncturing them with their beaks, drawing off the sap, and from the effects subsequently visible, apparently poisoning the part attacked." This species Is widely diffused. I have taken it frequently in Maine, and even on the extreme summit of Mount Washington, in August.
Page 449 - This family consists of but a single genus, characterized by Leconte as comprising small, rounded, 29 convex, roughly sculptured, black insects, found at the margins of streams, on wet sand ; they cover themselves with a mass of mud, so that no part of the insect is visible,