522 



SOME SOUTH INDIAN INSECTS. 



Pediculus humanus, Linn.. Syst. Nat. (ed. X), I, p. 610 (1758) [part]. 



Pediculus capitis, de Geer, Mem., VII, 07. t. 1. f. 6 [778); Osborn. 

 U.S.A. Ent. Bull. No. 5. pp. 166 167, f. 96; Lefroy, [nd. Ins. Pests, 

 p. 264, f. 317 ; Howlett, Ind. Ins. Life, p. 762; Brumpt. Precis de 

 Parasit., pp. 549—550. ff. 395 -397 ; Alcock. Ent. for Med. Offrs., pp. 

 213—215; Castellani and Chalmers, Man. Trop. Med., p. 633, 

 ff. 267 268 (1913). 



Distribution. — Throughout Southern India. 



Lifehistory. The eggs (or nits) are fixed by the female on to a 

 hair of the human head, the portions just behind the ears being 

 most commonly selected. The young lice hatch out after about 

 5 days ami are full-grown after another 10 or 12 days. The lice 

 suck blood at least once in ever} 24 hours. 



I-'thhl. Mi blood of man. 



Status. A serious pest, as the insect may act as a carrier of 

 disease from one host to another. It i- known to carry Typhus and 

 to produce a form of Impetigo. 



Control. Personal cleanliness. Soap and water combined with 

 almost any of the ordinary antiseptics will be found efficient. 

 Washing the head with ordinary kerosine-oil (care being taken 

 not to approach any light or lire and afterwards with soap is a 

 simple method. 



PEDICULUS HUMANUS, Linn. 



Pediculus hum, nuts. Linn.. Syst. Nat. 1 ed. X I, I, p. 610 1 1 758 > [part], 



Pediculus corporis, de 

 Geer, Mem., VII, 67, t. I, f. 7 

 (1778). 



Pediculus vestimenti 



Nitzsch, Genua r Mag. Ent., 

 Vol. Ill (1818); Osborn, 

 U.S.A. Ent. Bull. No. 5, pp. 

 107 108, ff. 94, 97; Howlett, 

 Ind. Ins. I Mc. p. 762 ; Brumpt, 

 Precis de Parasit., pp. 

 552—554; Alcock, Entom. 

 forMed. Offrs., pp. 213 2\y, 

 Girault, Entom. News, Will. 

 339^344: Castellani and 

 Chalmers. Man. Trop. Med., 

 p. 634, ff. 269 270 (1913). 



Fig. 413. Pediculus humanus. The Distribution.- Throughout 



small figure within tin- .1 Southern India. 



shows the natural size. >i iginal.) 



