. Agricultural news. Agriculture -- West Indies; Plant diseases -- West Indies. Tllfc; AORICULTUIIAL NEWS The Life History OP The Cattle Tick. tw tATixM rtm ?Rie of tccnrat* knowledge on this sxibjeet lies in the fact that before methods of eradication can bo carried ont liit«IHgentIy and §iico««»- fully. It ia neceaeary to know the life history of tbe tick, and tlie influence ol t+'mperature, moisture, and other climatic conditions on the vanoiu stages of ll*i existence. In the followin;; notes, whenever tlie term "tick" ctr "catile fick' used it refers to th'? on
. Agricultural news. Agriculture -- West Indies; Plant diseases -- West Indies. Tllfc; AORICULTUIIAL NEWS The Life History OP The Cattle Tick. tw tATixM rtm ?Rie of tccnrat* knowledge on this sxibjeet lies in the fact that before methods of eradication can bo carried ont liit«IHgentIy and §iico««»- fully. It ia neceaeary to know the life history of tbe tick, and tlie influence ol t+'mperature, moisture, and other climatic conditions on the vanoiu stages of ll*i existence. In the followin;; notes, whenever tlie term "tick" ctr "catile fick' used it refers to th'? one species. Martjarot/ut annuUUuit the common Cattle Tick, which in so prevalent throughout the West Indies. Only '4 part of the development of the tick takes place on the aniniul ho^^t ; the rest of the development occurs on the pasture occupied by the host. DEVELOPMENT on the GROUND '"HE ENGORGED FEMALE. In tnicing the hfo bisU^rv of the c:ittle tick it will be convenient to betrm witb tne large, plump, olive-green female lick. :ibout half J inch in length, attached to the skin of the host. During the bist few days spent on the host, she has Increased enormously in size, aa a consetiuence of drawing a large supply of blood. When fully engorged she drops to the ground, and at once, especially if the weather is warm, begins to Mcarch for a hiding place on moist earth beneath-leaves or any other litter which may serve as a protection from the sun and numerous enemies, or shield her from unfavourable (renditions. The female may be -devoured by birds, or destroyed by ants, or may perisli aK a restili of unfavourable conditions, such as low temper.'iture, absence or excess of moisture, and many other conditions: so that many female ticks which (all to the ^ound are destroyed before they lay eggs. EGG LAYING. Egg laying begins during tho spring, summer and fall months in from 2 to 20 days. and during the winter months in from 111 to 98 days. after falling to the groun
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Keywords: ., bookauthorgreatbritainimperiald, bookcentury1900, bookdecade1900
