Vietnam or Thailand ? Vote for the TOP Country of the Week !
Updated: June 9, 2025
Even in the upper and damp region I procured very few, excepting some minute Diptera and Hymenoptera, mostly of common mundane forms. As before remarked, the insects, for a tropical region, are of very small size and dull colours. Mr.
According to the age of the offspring, the mother chooses prey of different sizes; at first she brings small Diptera; then, when it has grown, she captures for it large blow-flies, and lastly gadflies.
In its adult condition the flea combines the characters of the Diptera, with certain features of the grasshoppers and cockroaches, and the bugs. Dr. G. A. Perkins, of Salem, has succeeded in rearing in considerable numbers from the eggs, the larvæ of this flea. The body is long, cylindrical, and pure white, with thirteen segments exclusive of the head, and provided with rather long hairs.
Wales, North, numerical proportion of male and female births in. Walkenaer and Gervais, spider attracted by music; on the Myriapoda. Walker, Alex., on the large size of the hands of labourers' children. Walker, F., on sexual differences in the diptera. Wallace, Dr.
The order Diptera, or two-winged flies, is the most important because to this belong the mosquitoes which transmit malaria and yellow fever, and the house-fly that has come into prominence since it has been found to be such an important factor in the distribution of typhoid and other diseases.
As for the Master, he stood fire perfectly, as he always does; but the idea that he, who had worked a considerable part of several seasons at examining and preparing insects, who believed himself to have given a new tabanus to the catalogue of native diptera, the idea that he was playing with science, and might be trusted anywhere as a harmless amateur, from whom no expert could possibly fear any anticipation of his unpublished discoveries, went beyond anything set down in that book of his which contained so much of the strainings of his wisdom.
The order Diptera is divided into sixty or more families, many of which contain species of considerable economic importance. For our present consideration the flies may be divided into two groups or sections: those with their mouth-parts fitted for piercing such as the mosquito and horse-fly, and those with sucking mouth-parts such as the house-fly, blow-fly and others.
Diversified structures possessed by the males for seizing the females Differences between the sexes, of which the meaning is not understood Difference in size between the sexes Thysanura Diptera Hemiptera Homoptera, musical powers possessed by the males alone Orthoptera, musical instruments of the males, much diversified in structure; pugnacity; colours Neuroptera, sexual differences in colour Hymenoptera, pugnacity and odours Coleoptera, colours; furnished with great horns, apparently as an ornament; battles, stridulating organs generally common to both sexes.
There, "lying flat on the ground, his head in the shadow of some rabbit's burrow," or sheltered from the sun by a great umbrella, "while the blue-winged locusts frisked for joy," he would follow the rapid and sibilant flight of the elegant Bembex, carrying their daily ration of diptera to her larvae, at the bottom of her burrow, deep in the fine sand."
My expectations are thus confirmed; as with Bembex, slayer of Diptera, so Philanthus, killer of bees, lays her egg upon the first body stored, and completes, at intervals, the provisioning of the cells. The problem of the dead bee is elucidated; there remains the other problem, of incomparable interest Why, before they are given over to the larvæ, are the bees robbed of their honey?
Word Of The Day
Others Looking