Comment obtenir le dernier tick active Observations résultant de l'expérience de terrain dans l'éradication de la tique . m de séchage. Dans de 19jours en été à 6 mois au cours de l'automne andwinter les oeufs commencent à éclore. Le petit marron, six pattes, les larves de tiques, de semences ou de ramper le eggsand bientôt monter près de-par la végétation, ce qui de plus-ing leurs chances d'atteindre un hôte qui est-lutely-absolue indispensable à leur développement. Assoon occasion est offerte comme themselvesto ils attachent un passant ou repos de vache, ou dans casesto exceptionnelles les chevaux et mulets. À défaut de trouver un hôte, la semence COMMENT OBTENIR LES LA

• Contributeur: The Reading Room / Alamy Banque D'Images
• ID de l’image: 2AJKM65
• Taille du fichier: 7,1 MB (310,5 KB Téléchargement compressé)
• Autorisations: Modèle - non | Propriété - non
• Dimensions: 2179 x 1146 px | 36,9 x 19,4 cm | 14,5 x 7,6 inches | 150dpi

Informations supplémentaires

Cette image appartient au domaine public, ce qui signifie que le droit d’auteur a expiré ou que le titulaire du droit d’auteur a renoncé à ses droits. Les frais facturés par Alamy couvrent l’accès à la copie haute résolution de l’image.

Cette image peut avoir des imperfections car il s’agit d’une image historique ou de reportage.

How to get the last tick Observations resulting from active field experience in tick eradication . m from drying. In from 19days in summer to 6 months during the fall andwinter the eggs begin to hatch. The little brown, six-legged larvae, or seed ticks, crawl from the eggsand soon ascend near-by vegetation, thereby increas-ing their chances of reaching a host—which is abso-lutely essential to their further development. Assoon as opportunity is offered they attach themselvesto a passing or resting cow, or in exceptional casesto horses and mules. Failing to find a host, the seed HOW TO GET THE LAST TICK. tick will starve in from 2 to 8 months, depending onthe season of the year. The seed tick takes no foodand does not increase in size until reaching a host.It must have the blood of cattle (or horses and mules)for its developnient. Soon after reaching a favorable host the seed tickattaches itself to the skin and begins to draw bloodat once, increasing in size. In a few days the youngtick changes from a brown color to white, and infrom 5 to 12 days it sheds its skin, or molts, acquir-. Fio. 2.—The little brown, six-legged larvae, or seed ticks, crawl from the eggs andsoon ascend near-by vegetation. ing a fourth pair of legs, and is then known as anymph. In from 5 to 11 days after the first molt the tickagain sheds its skin and becomes sexually mature.The male, measuring about one-tenth of an inch inlength, is now fully developed and is seen as a smaUbrown, oval tick of considerable activity. The fe-male at tHe time of this molting is slightly largerthan the male; she is not active, and seldom movesfrom her original point of attachment. After mat-ing, the female develops rapidly and has been knownto become fully engorged in 48 hours after the secondmolt, but usually from 4 days to a week are required. 8 HOW TO GET THE LAST TICK. The time that elapses between the attachment ofthe tick as a seed tick and its dropping from theanimal as a fully engorged female is generall

Recherche dans la banque de photos par tags

• bookcentury1900
• bookdecade1920
• bookpublisherwashi
• bookyear1922