. Elementary entomology . Fig. 7. A parasitic fly, showing parts of a typical insect an/, antennae ; /i, head ; /, thorax ; aid, abdomen ; zf^, wings ; /, legs is a nuisance and is abhorred by the housekeeper. Some of the tropical myriapods reach relatively enormous size, being several inches long, and bear poison fangs in connection with the mouth-parts. The Insecta, or Hexapoda, include the true insects, which form the largest group of animals as far as both the number of different species and the number of individuals are concerned. About 300,000 different species have already been describe
. Elementary entomology . Fig. 7. A parasitic fly, showing parts of a typical insect an/, antennae ; /i, head ; /, thorax ; aid, abdomen ; zf^, wings ; /, legs is a nuisance and is abhorred by the housekeeper. Some of the tropical myriapods reach relatively enormous size, being several inches long, and bear poison fangs in connection with the mouth-parts. The Insecta, or Hexapoda, include the true insects, which form the largest group of animals as far as both the number of different species and the number of individuals are concerned. About 300,000 different species have already been described, while there is probably a total of 1,000,000 species in existence. The known species form over four fifths of the total number of
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Keywords: ., bookcentury1900, bookdecade1, booksubjectentomology, bookyear1912