HOURS

Apr 19-21 10am-5pm
Mon-Fri 9am-9pm
Sat-Sun 9am-6pm
   
   

Annuals

 Insect Pests on Annuals

 

 

 

 

 


INSECT PESTS ON ANNUALS
Select the pest from the images below for more information:

AphidsFlea BeetlesSlugs

 

 

 

 

 

Spider MitesSpittle BugsStink BugsThrips

 

 

 

 

 


Aphids
AphidsAphids

Plants affected:  Numerous indoor and outdoor plants

Symptoms:  Severe infestations will cause curling/twisting of foliage, flowers to wilt and drop.

Life Cycle:  Eggs hatch on host plants in spring, these nymphs give birth to ‘daughters’, within days the daughters give birth - up to 30 generations per summer

Cultural Control:
• Ladybird beetles/larvae, lacewings are natural predators
• Strong jet of water to knock aphids off plants

Chemical Control:  Doktor Doom House and Garden, End All, Ambush


Flea Beetles

Flea BeetlesFlea BeetlesPlants Affected:  Numerous annuals and perennials

Symptoms:  Numerous holes in foliage, about the size of a pinhead

Life Cycle:  Overwinter in soil beneath leaf debris, emerge in spring.  Adults feed on foliage, mate and lay eggs

Controls - Cultural or Non-chemical:  Clean up leaf debris and weeds in autumn

Controls - Chemical:  Spray adult beetles in spring before they lay eggs; Ambush, Dr. Doom House and Garden


Slugs

slug trailslugsPlants Affected: Annuals and perennials

Symptoms:  Ragged holes chewed in leaves, slime trails on leaves

Life Cycle:
•Overwinter as eggs in soil
• Hermaphrodite; every slug can lay eggs.  Eggs laid in batches of 10-0 in moist soil

Controls - Cultural or Non-chemical:
• Till soil to disturb eggs, expose eggs to natural predators
• Spread Diatomaceous earth or other gritty substances under plant leaves
• Spread iron based slug pellets (Sluggo or Safer's) at base of plants, under foliage
• Beer traps, dishes filled with beer, set at soil level, may attract and drown slugs

Controls - Chemical:  Metaldehyde based pellets


Spider Mites

Spider MitesSpider MitesPlants affected:  Numerous indoor and outdoor plants

Symptoms:
Stippling - tiny dots in foliage
• Yellowing of foliage - 'haze' on foliage

Life Cycle:
• Can overwinter in various stages under debris or bark on host plants, in greenhouses
• Become active in spring as foliage emerges

Cultural Control:
• Lacewings are natural predators
• Keep plants misted (spider mites prefer dry conditions)
• Fall debris cleanup

Chemical Control:
• End All
• Doktor Doom House and Garden
• Ambush


Spittle Bugs

Spittle BugsSpittle BugsPlants Affected - Numerous annuals and perennials

Symptoms:  'Spit' on plant - bug is hidden underneath the foam

Life Cycle:
• Eggs overwinter on plant material, hatch in spring, nymphs feed on plants
• Adults lay eggs in late summer

Controls - Cultural or Non-chemical:
• Spray plants with strong jet of water

Controls - Chemical:  Not necessary


Stink Bugs

Stink BugsStink BugsPlants Affected - Numerous annuals, trees, shrubs, perennials

Description:
• Various forms/colours will be seen - will generally have a large triangular plate on their back
• Omit foul smelling substance when disturbed

Life Cycle:
• Adults overwinter in plant debris/in soil
• Emerge May-June, eggs are laid in June-July
• Egg to adult takes about 25 days

Controls - Cultural or Non-chemical:
• Though found in large numbers, rarely cause damage to the extent that warrants spraying with insecticide
• Actually a predator of Colorado Potato Beetles.  Each nymph can consumer over 250 eggs

Controls - Chemical:  Not necessary


Thrips
ThripsThrips

Plants Affected: Numerous indoor and outdoor plants

Symptoms:  White blotches or streaks on foliage/blooms - damage is the size/shape of a 'hyphen'

Life Cycle:
• Adults overwinter in plant debris, on weeds or under bark, in greenhouses
• Become active in spring, cut slits in foliage or blooms and lays eggs

Controls - Cultural or Non-chemical:  Good fall cleanup of debris and weeds

Chemical Control: End All, Doktor Doom House and Garden, Ambus