Poplar Sir Herbert Beerbohm Tree belong to the willow tree family ( Populus spp . ) and are deciduous tree that can reach 40 to 60 feet in height at due date . Known as dispirited - criminal maintenance , tight - grow trees , poplar are not without their problems . Many insects can attack your poplar tree , but the most mutual pests are plate insects , mealy bug and cottony shock scales , poplar petiole impudence aphids , leaf beetles and leaf - feed caterpillars .

Some worm are more harmful to poplar trees than others , and the right way name what kind of insect are infesting your poplar Sir Herbert Beerbohm Tree is the first and most important gradation to getting rid of the louse .

Step 1

name scale insects on your poplar tree by looking for tiny , immobile , wingless nymphs and round or oval - shaped tiny worm with one set of wing . Study the poplar tree ’s leaves and skin to detect the scale , which have minuscule straw - corresponding mouthpart that start the insects to feed on the tree ’s sap and fluids .

Step 2

Look for white , cottony masses of ballock get across the trunk , stem and leaf of your poplar tree to identify cottony shock absorber scales and mealybugs . The larva are reddish or sick white-livered , found on the leaf stems and trunk during the summertime , and the insects release a viscous liquidity onto the tree diagram call honeydew .

Step 3

take your poplar tree for gall or growths on the leaves that produce winged insects in the summer to espy poplar petiolegall aphids ( Pemphigus populitransversus ) . These aphids lay their testis on the poplar tree tree ’s leaves and twigs . The aphid are small and pear - shape with long antennae and leg , as well as long tubelike growth called " cornicles " that produce from the hind end of the aphid ’s body .

Step 4

place poplar - and - willow borer ( Cryptorhynchus lapathi ) , a case of weevil , infesting your poplar Sir Herbert Beerbohm Tree by bet for white larvae burrowing into and feed on the internal barque . Look on the footing around the poplar to find sawdust and contemplate the tree to find holes manducate into the bark and sprig .

Step 5

Study your poplar tree diagram ’s leaves and twigs in the spring to detect foliage beetle ( Chrysomela ) , which masticate holes into the leaves and cause them to become discolored . These tiny beetle are usually less than 1/3 - in long , oval - shaped and have filamentlike feeler . The female leaf mallet lay chicken eggs on the bottom of the poplar tree Sir Herbert Beerbohm Tree ’s leaves .

Step 6

Look for chewed - on leaves that form a lacing - similar coming into court to discover leaf - feeding caterpillar . You may also seed silky , web for cocoons incase the leaves and twigs on your poplar tree when the foliage - feeding caterpillars pupate .

Tip

dominance grownup poplar - and - willow borers , leaf beetle , scale and mealybug larvae , and foliage - feeding caterpillars by spraying your poplar Sir Herbert Beerbohm Tree with an appropriate insect powder . Kill poplar tree petiolegall aphid , as well as over - wintering grownup scales and mealybugs by spraying your poplar tree with a dormant horticultural oil in former wintertime .

Warning

Always follow the focal point on the recording label exactly when you ’re applying insecticides or other chemical on your poplar Sir Herbert Beerbohm Tree . Wear gloves and eye auspices when you ’re handle and spraying the insecticide .

References

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