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Cherry
> Year-Round IPM Program > Bloom
> San Jose Scale and Natural Enemies
Cherry
San Jose Scale and Natural Enemies
On this page
- San Jose scale
- Aphytis aonidiae
- Encarsia perniciosi
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- San Jose scale, parasitized
- Twicestabbed lady beetle
- Predaceous sap beetle
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Names link to more information on identification and management
or biology.
Click on photos to enlarge
San Jose scale (male)
Identification tip: Adult male San Jose scale have
well developed legs, a single pair of wings, long antennae,
and a thin brown band across the thorax. This male is caught
in a pheromone trap. |
San Jose scale (mature female)
Identification tip: Mature female San Jose scale is covered by a grayish,
flattened, circular shell, about 1/12 in diameter, with a distinct nipple (center).
The immature male (above female) is elongate. |
San Jose scale crawlers
Identification tip: San Jose scale crawlers are bright
yellow and tiny (about the size of the sharp end of a pin),
with well developed eyes, antennae, and legs |
Aphytis aonidiae
Identification tip: Adult Aphytis aonidiae,
parasite of San Jose scale, is a tiny yellow wasp with short
antennae and fringed wings, shown here laying an egg in a
scale. |
Encarsia perniciosi
Identification tip: Scale parasite, Encarsia perniciosi,
caught in pheromone trap used to monitor flights of male
San Jose scale. It is a tiny dark wasp with short stubby
antennae. |
San Jose scale, parasitized
Identification tip: The exit hole in the covering of the scale (left)
indicates that a parasite has emerged. |
Twicestabbed
ladybeetle
Identification tip: Shiny, black, half-dome shape, with 2
red spots, and short, clubbed antennae.
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Predaceous sap beetle
Identification tip: Small, shiny,
black, half-dome shape and short, clubbed antennae.
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