The Animal Parasites of Man

by Harold Benjamin Fantham; Max Braun; J. W. W. Stephens; Fred. V. Theobald

Other References to Scabies crustosæ AND norvegica, ETC.

(1) “Ein Fall von Scabies crustosa norvegica,” Würzb. med. Zeitschr., l, pp. 134–139, pl. 3, H. Bamberger.

(2) “Ueber die Krätzmilbe (Acarus scabiei),” Notiz. a. d. Geb. d. Nat. u. Heilk., Weimar (1913), xlii (11), Oct., pp. 161–166 (1834), de Blainville.

(3) “Rapport sur le ciron de la gale (Acarus scabiei),” Ann. de Mus. d’Hist. nat., 1831; Parasitology, iv, pp. 213–232, de Blainville.

Family. Demodicidæ (Mites of the Hair-follicles).

Small Acarina, elongated in worm-like fashion, with annulated abdomen, and without eyes or tracheæ. The mouth parts consist of a suctorial proboscis and three-jointed palpi; the legs are short, and have three segments with small terminal ungues. The anus is situated on the anterior border of the abdomen; oviparous; the larvæ have six stumpy legs. These mites live in the hair-follicles of mammals.

Genus. Demodex, Owen.

Demodex folliculorum, Simon, 1842.

Syn.: Acarus folliculorum, Sim., 1843; Demodex folliculorum, Owen, 1843; Macrogaster platypus, Miescher, 1843; Simonea folliculorum, P. Gervais, 1844; Steatozoon folliculorum, Wilson, 1847.