Principal household insects of the United States . Fig. 1.— Culexpungens: a, female, from side; b, male, from above; c, front tarsus of same; d, middletarsus; e, hind tarsus; /, genitalia of same; g, scales from hind border of wing; ft, scales from diskof wing—enlarged (original). rately determined species of many of our commonest insects have notbeen published. This is mainly due to the fact that most entomologistshave a way of saving time by following the observations of older writers. MOSQUITOES AND FLEAS. 11 This is all well enough where the species and the conditions are identi-cal, but w


Principal household insects of the United States . Fig. 1.— Culexpungens: a, female, from side; b, male, from above; c, front tarsus of same; d, middletarsus; e, hind tarsus; /, genitalia of same; g, scales from hind border of wing; ft, scales from diskof wing—enlarged (original). rately determined species of many of our commonest insects have notbeen published. This is mainly due to the fact that most entomologistshave a way of saving time by following the observations of older writers. MOSQUITOES AND FLEAS. 11 This is all well enough where the species and the conditions are identi-cal, but when, as is the case with such an insect as that under observa-tion, the principal observations were made upon a different, thoughcongeneric, species, and in another part of the globe, where climaticand other conditions differ, the custom is unfortunate. There is not, inany of our published works, a thoroughly satisfactory figure of a well-determined species of mosquito, or of its earlier stages. The statementsquoted in the text-books and manu


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectinsectp, bookyear1896