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This vacation time of year , you well catch out — for tick . Unusually high fall temperatures in the northeastern United States have have blacklegged tick ( Ixodes scapularis ) , also known as deer tick , remain combat-ready later into December than usual .

This mean that a sojourn to a Christmas tree farm could bring an unexpected encounter with a bloodsucking hitchhiker .

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Adult female deer tick, also known as the blacklegged tick (Ixodes scapularis).

pornographic ticks are unremarkably at their most active during the spring and summertime months , and their activity ordinarily tapers off as cold atmospheric condition get . But deer ticks " will proceed to be [ participating ] until temperatures are consistently below 40 degrees , " a representative from the New York State Department of Health told Live Science in an e-mail . [ Gross ! see a   Tick   Bite in Action ( Video ) ]

This means that Christmas tree shoppers in the Northeast may want to take extra precautions this class to avoid getting bitten . Walking through a shrubby landscape on the way to select a Christmas tree could disclose people to the alive ticks , said Richard Ostfeld , a senior scientist with the Cary Institute of Ecosystem Studies in Millbrook , New York .

When it ’s inhuman , ticksprotect themselves by hiding in earth or under leaf litter , where they do n’t pose a terror to multitude . But warm weather makes it secure for them to go look for something to bite , Ostfeld told Live Science . A hungry check will leave heat and rubber behind to mount marvelous grasses , shrubs and skirmish that reach about 18 to 24 inches ( 46 to 61 centimeters ) in high spirits . This superlative perfectly positions the tick to arrive at a soul ’s leg , Ostfeld tell .

a closeup of a deer tick

Blacklegged ticks can carry a identification number of disease . The most common disease that check off around New York spread to people isLyme disease , according to the New York State Department of Health .

The good word , Ostfeld told Live Science , is that the grownup ticks that are active in wintertime are easier to make out and remove than their smaller nymph forms , which are more usual in warmer month . Performing tick check-out procedure — on both clothing and bare skin — after walking through an country where ticks might be find is highly urge , he impart .

And although fresh - write out Christmas Sir Herbert Beerbohm Tree themselves can certainly play host to plenty of exist thing , with aphid andspidersemerging as the most rough-cut hitchhikers , they do n’t more often than not bear ticks , Ostfeld told Live Science . Even this year , when tick are outstandingly combat-ready , the trees " would be an improbable place for the ticks to attempt a host , " he said .

A close-up picture of a black and red tick perched on a leaf

One reason for this is that ticks tend not to climb very far from the primer coat , Ostfeld said . Even if they did take up residence on a tree diagram bound for someone ’s animation room , they would plausibly drop off or fail long before the tree diagram reached its destination , he said .

Overall , the risk of exposure ofbug invadersriding a Christmas tree all the mode into your living room is actually quite small , according to thePenn State Department of Entomology . Vigorous shaking is usually enough to dislodge any insect stowaways , though egg masses may have to be removed by paw .

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