Insect Pests Of Fruits, Flowers, And Vegetables (Part 6)

Name of Pest.

Resting Period (Pupa Stage).

Destructive Period (Caterpillar and Perfect Insect Stage).

Plants Attacked and Remedies.

Turnip Fly (Phyllotreta nemorum, fig. 141).

Oct. to Mar.

April to Sept.

Maggots penetrate leaf tissues of Turnip crops, and mature in a week. Spray early with nicotine or quassia washes, and at frequent intervals hoe the soil to bring up the pupae for the birds.

Turnip Gall Weevil (Ceutorhynchus pleuro-stigma, fig. 143).

Oct. to Feb.

Mar. to Sept.

Remedies as for Cabbage Gall Weevil.

Turnip Mud Beetle (Helophorus rugosus).

?Winter.

Spring to Autumn.

Beetles and grubs attack all parts of Turnip crops, especially tops of bulbs. Hoe frequently and dress with lime or soot, and burn diseased plants.

Turnip Sawfly (Athalia spinarum).

Oct. to Mar.

April to Sept.

Larvae eat leaves of Turnips from edges to ribs. Numerous brood in one season. Remedies as for Turnip Fly.

V Moth (Halia Wavaria, fig. 149).

Sept. to April.

May to Aug.

Pale-green caterpillars feed upon leaves of Gooseberries and Currants, and often destroy them. Hand picking, or spraying bushes early with strong nicotine or quassia solutions.

Vapourer Moth (Orgyia antiqua, fig. 150).

Oct. to April.

May to Oct.

Hairy caterpillars feed upon leaves of Pears, Cherries, Roses, etc. Spray with nicotine, arsenate, and other washes, except for fruit trees. Shake caterpillars on to cloth and crush. Hoe frequently in winter and spring.

Vine Louse (Phylloxera vastatrix, fig. 151).

Various.

Various.

This pest attacks roots and leaves of Vines sometimes, and does much damage. Bisulphide of carbon in soil is recommended. Diseased leaves should be burned. Soil should be kept stirred.

Vine Scale (Pulvinaria Vitis).

-

Jan. to Dec.

Nicotine washes and fumigation. Caustic wash when Vines are dormant.

Wasps.

Sept. to May.

May to Sept.

Attack all kinds of ripe fruits. Trap with sweet solutions, and plug nest holes up at night with gunpowder, vaporite, carbon disulphide, etc.

Winter Moth (Cheima-tobia brumata, fig. 144); and the

July to Oct.

Oct. to June.

Wingless females crawl up stems of Apples, Pears, Plums, Cherries, etc., from Oct. to Dec, and lay eggs.

Winter Moth, Great (Hybernia defoliaria). See fig. 122.

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The caterpillars devour leaves and flowers in April and May. Grease-band in Oct. and onwards, but dig or hoe well from June to Oct. to bring up pupae for birds.

Wireworms or Click Beetles (Elater or Ag-riotes lineatm, E. ob-scunis, E. sputator, fig. 146).

Aug. to Mar.

April to July.

The larvae or wireworms infest many soils, especially grassland, and attack roots of all kinds of plants, and live from three to five years. Deep cultivation and hoeing to encourage birds. Also trap with potatoes, carrots, beet, turnips, etc.

Name of Pest.

Resting Period (Pupa Stage).

Destructive Period (Caterpillar and Perfect Insect Stage).

Plants Attacked and Remedies.

Woeberian Tortrix (Se-masia Waberana, fig. 153).

Winter.

Spring to Autumn.

Fruit trees, generally beneath the bark, producing cankerous wounds. Winter washes if trees are not badly injured. Otherwise cut down.

Wood Leopard Moth (Zeuzera aesculi).

-

-

Caterpillars burrow in stems of fruit and other trees, and live one to two years. Remedies as for Goat Moth.

Wood Lice (Armadillo, vulgaris, etc, fig. 147).

-

Jan. to Dec.

Eat tender shoots of Maidenhair and other Ferns, destroy flowers, etc. Trap with potatoes, carrots, turnip, etc, or mix phosphorus paste and bran, and strew in runs; afterwards sweep up dead bodies.

Woolly Aphis. See American Blight.

Yellow Aphis (Siphono-phora lutea).

-

Jan. to Dec.

Attacks flowers of Orchids at all times. Careful fumigation and vaporizing.

Yellow-tail Moth (Por-thesia auriflua).

Oct. to Mar.

April to Sept.

Black humpy larvae feed on Apple and other fruit trees. Spray with nicotine or quassia, and cultivate soil in dormant season.

Yellow-underwing Moth (Triphoena pronuba, fig. 145).

Oct. to Mar.

April to Sept.

Caterpillars eat leaves of vegetable crops. Remedies as for Cabbage Butterfly.

Turnip Gall Weevil (Ceutorhynchus pleurostigma).

Fig. 143. - Turnip Gall Weevil (Ceutorhynchus pleurostigma) 1, Turnip injured by the Turnip Gall Weevil. 2, Excrescences or Galls; 3, ditto, opened. 4, Grubs (nat. size and magnified) found in them. 5, Weevil (nat. size and magnified)

Winter Moth (Cheimatobia brumata).

Fig. 144. - Winter Moth (Cheimatobia brumata) A, Male Moth, b, Female. C, c, Caterpillar (nat. size).

Great Yellow underwing Moth (Triphœna pronuba).

Fig. 145. - Great Yellow-underwing Moth (Triphœna pronuba).

1, Moth. 2, Caterpillar. 3, Chrysalis.

Wireworms.

Fig. 146. - Wireworms.

1 and 2, Mater lineatus; 3 and 4, E. obscurus; 5 and 6, E. sputator (nat. size and magnified). 7, Larva of E. sputator. 8 and 9, Larva of E. lineatus (nat. size and magnified). 10, Pupa of Wireworm, the natural length being shown by 11.

Wood Lice.

Fig. 147. - Wood Lice.

1, Porcellio scaber (nat. size). 2, Arma-dilla vulgaris (natural size); 3, Insect (rolled up). 4, Antenna of Porcellio scaber; 5, ditto of Armadilla vttlgaris.

Fig. 148   Thrips.

Fig. 148 - Thrips.

1 to 4, Thrips cerealium; 5 to 8, T. minutissimum (nat. size and magnified).

V Moth (Holla Wavaria) (natural size.).

Fig. 149. - V Moth (Holla Wavaria) (natural size.).

Vapourer Moth (Orgyia antiqua) 1, Male. 2, Female. 3, Caterpillar.

Fig. 150. - Vapourer Moth (Orgyia antiqua) 1, Male. 2, Female. 3, Caterpillar.

Insect Pests Of Fruits Flowers And Vegetables Cont 100177Vine Louse (Phylloxera vastatrix).

Fig. 151. - Vine Louse (Phylloxera vastatrix).

1, Boot galls. 2 and 3, Forms of larva. 4, Winged female. 5, Portion of diseased leaf. 6, Enlarged section of excrescence on leaf.

Black or Vine Weevil (Otiorhynchus sulcatus).

Fig. 152. - Black or Vine Weevil (Otiorhynchus sulcatus).

1, Weevil. 2,3, Larva (nat. size and magnified). 4, Pupa. 5, 0. picipes.

Wocberian Tortrix (Semasia Wœberana).

Fig. 153. - Wocberian Tortrix (Semasia Wœberana).