Integrated Pest Management

ORANGE DOG
LEPIDOPTERA: PAPILIONIDAE : Papilio demodocus

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Identification

Photo

 

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Feeds on young leaves of citrus trees

Photo

 

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Data Sheet

Damage Symptoms

on fruit

PHOTO

on leaves

Photo

on blossom

Photo

on twigs

Photo

1. On Fruit

NONE

2. On Leaves

Feeding damage Want to know more?
No damage to the harvestable product, that is the citrus fruit

Orange dog can defoliate trees younger than four years, resulting in death of tree

Orange dog cannot defoliate older trees to the same extent, thus no control is needed.

3. On Blossoms

NONE

4. On Twigs

NONE

Life Cycle

Drawing of life cycle
K-strategist
  • Reproduce slowly
  • Resilient in adverse conditions
  • Compete effectively for environmental resources, thus high survival rate
   
Adult butterfly wingspan = 100 mm

Black with yellow spots and stripes

 
Egg pale yellow eggs

Single eggs

Laid on terminal twigs and leaves

 
Larva 5 instars
  • black and white and yellow
  • spined projections

final instar:

  • green with brown or black stripe an the side
  • a forked, fleshy retractile tubercile, known as a osmeterium, appears when disturbed
  • it has a citrus scent
 
Pupa the dorsal is humped and the head has two projections

Usually in a vertical position

 

Seasonal Cycle in Vaalharts

Graph
  • Multivoltine: several generations from spring to autumn

 

Top Check Your Diagnosis Data Sheet Natural Enemies Management
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Natural Enemies

Photo Photo Photo Photo

 

 

Top Check Your Diagnosis Data Sheet Natural Enemies Management
    DAMAGE SYMPTOMS   MONITOR
    LIFE CYCLE   ECONOMIC THRESHOLD
    SEASONAL CYCLE   CONTROL OPTIONS
        CHECK POINTS

Management

 
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