United States or Guernsey ? Vote for the TOP Country of the Week !


Male animals, struggles of, for the possession of the females; eagerness of, in courtship; generally more modified than female; differ in the same way from females and young. Male characters, developed in females; transfer of, to female birds. Male, sedentary, of a hymenopterous parasite. Malefactors. Males, presence of rudimentary female organs in.

The Chalicodoma, whose name of Mason Bee indicates the industry it exercises, is a hymenopterous relative to our Bees, long since carefully studied by Réaumur. It does not live in societies like the latter, and exhibits individual initiative and skill as great as the swallows. The females accomplish the work which I am about to describe.

The Sitares, entrusting their eggs to the very corridors through which the Anthophora is bound to pass, spare their larvæ a host of dangers which the larvæ of the Meloe have to run, for these, born far from the dwellings of the Bees, are obliged to make their own way to their hymenopterous foster-parents.

Most birds have then completed their moulting, which extends over the period from February to May. The flowering shrubs are then mostly in bloom, and numberless kinds of Dipterous and Hymenopterous insects appear simultaneously with the flowers.

In the ptilota, or winged insects, the hymenopterous are the rasorial type, and it is not therefore surprising to find amongst them the ants and bees, "the most social, intelligent, and in the latter case, most useful to man, of all the annulose animals."

The species has so long perpetuated itself by this process that it has become, both in mother and offspring, highly automatic. It is a hymenopterous insect which this family, whose first vital manifestation is theft, thus levies a contribution on.

This becomes very evident if we study another related beetle; it is called the Sitaris colletis, and lives at the expense of the hymenopterous Colletes, as its relative at the expense of the Anthophora. But these two species of the same genus are very unequally aided by chance.

Did they know just at what hour the trout ceased leaping at dark fly or moth, and could see only in the dim light the ghostly white miller? Did they know the comparative merits, as a tempting bait, of grasshopper, cricket, spider, or wasp; and could they, with bits of wool, tinsel, and feather, copy the real dipterous, hymenopterous, or orthopterous insect?

Don Felix Azara volume 1 page 175, mentioning a hymenopterous insect, probably of the same genus, says he saw it dragging a dead spider through tall grass, in a straight line to its nest, which was one hundred and sixty-three paces distant.

But I really do consider that after a while its effects would be very observable that in twenty millions of years or so, provided no geological cataclysm supervened, you Butterflies, with your innate genius for mimicry, might be conformed in all respects to the hymenopterous model, or perhaps carry out the principle of development into novel and unheard-of directions.