. Bulletin - United States National Museum. Science. BULLETIN 39, UNITED STATES NATIONAL MUSEUM. [12] forms aud more synthetic types of insects, tind as sncli necessarily contained forms which it is difficult to classify definitely. In the discussion of the characteristics, habits, number of species, and importance of the several groups, I follow, with such changes as the advances in the science of entomology have made necessary, the arrangement shown in Fig. 1. "Order HYMENOPTEiiA(V'?"', a membrane; tttc/jov, wing). Clear or Membrane-winged Flies: Bees, Wasps, Ants, Saw-flies, etc.
. Bulletin - United States National Museum. Science. BULLETIN 39, UNITED STATES NATIONAL MUSEUM. [12] forms aud more synthetic types of insects, tind as sncli necessarily contained forms which it is difficult to classify definitely. In the discussion of the characteristics, habits, number of species, and importance of the several groups, I follow, with such changes as the advances in the science of entomology have made necessary, the arrangement shown in Fig. 1. "Order HYMENOPTEiiA(V'?"', a membrane; tttc/jov, wing). Clear or Membrane-winged Flies: Bees, Wasps, Ants, Saw-flies, etc. Char- acterized by having four membranous wings with comparatively few veins, the hind part smallest. The transformations are complete: i. e., the larva bears no resemblance to the perfect insect. "Some of the insects of this order are highly specialized, and their mouth-parts are fitted both for biting and sucking, and in this respect they connect the mandibulate and baustel- late insects. The common Honey-bee has this complex structure of the mouth, and if the editors of our agricaltural i^apers would bear the fact in mind, we should have less of the never-ending discussion as to whether bees are capable of injuring fruit at first hand. The lower lip (laMitm) is modified into a long tongue, sheathed by the lower jaws {maxillce). and they can sip, or, more properly speaking, lap \\p nectar; while the upper jaws {mandibulce), though not generally used for purposes of man- ducation, are fitted for biting and cutting. The Hymeuoptera are ter- restrial, there existing only a very few degraded, swimming forms. "This order is very naturally divided into two sectionsâtheAcuLEATA and Terebrantia. The aculeate Hymeuoptera, or Stingers, comprise. Fig. 4.âBald-facad Hornet, Tespa â rnacxdata. (After Sanborn).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustr
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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
