. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. BRUES AND MELANDER: CLASSIFICATION OF INSECTS 105 3. Eyes present, large, convex and almost always distinctly pig- mented; proboscis short; tibia and tarsus without a distinct sclerite between them; pleural plates usually well developed. .4 Eyes absent or very indistinct; proboscis very long; legs with a chitinized sclerite between the tibia and tarsus; parasitic on a great variety of mammals but not on man 5 148 145. Figs. 145-148. Anoplura 145. Pediculus (Patton and Cragg) Pediculidae. 146. Phthirius (Patton and Cra
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. BRUES AND MELANDER: CLASSIFICATION OF INSECTS 105 3. Eyes present, large, convex and almost always distinctly pig- mented; proboscis short; tibia and tarsus without a distinct sclerite between them; pleural plates usually well developed. .4 Eyes absent or very indistinct; proboscis very long; legs with a chitinized sclerite between the tibia and tarsus; parasitic on a great variety of mammals but not on man 5 148 145. Figs. 145-148. Anoplura 145. Pediculus (Patton and Cragg) Pediculidae. 146. Phthirius (Patton and Cragg) Phthiriidae. 147. Pediculus, tip of leg (Ewing) Pediculidae. 148. Hoplopleura (Ferris) Haematopinidae. 4. Segments three to five of abdomen fused as indicated by three pairs of spiracles on this apparent segment; sides of abdomen with segmentally placed lateral lobes; front legs much more slender than the others. (Phthirius (Fig. 146), on man (P. pubis, Pubic or Crab louse)) PHTHIRIID-ffi Abdominal segments all free, as indicated by the position of their spiracles; sides of abdominal segments without such lateral lobes; front legs similar to the others, and scarcely more slender. (Pediculus (Figs. 145, 147), on man. Cooties. (P. humanus, Head louse; P. vestimentij Body louse); Pedicinus, Phthiri- pedicinus, on monkeys) 5. Antenna? five-jointed. (Hsematopinus, on ungulates {H. suis, Hog louse); Hoplopleura (Fig. 148), on Rodentia; Linog- nathus, on Artiodactyla and dogs; Polyplax, on Rodentia and Insectivora) Antennae three-jointed. (Haematopinoides, on Geomys; Hamo- phthirius, on monkeys) H-ffiMATOPINOIDID^l. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
Size: 2437px × 1026px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorharvarduniversity, bookcentury1900, booksubjectzoology
