Synanthedon sequoiae

Synanthedon sequoiae, the sequoia pitch moth, is a moth of the family Sesiidae. It is found from California north to British Columbia.

Damage

Synanthedon sequoiae
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Sesiidae
Genus: Synanthedon
Species:
S. sequoiae
Binomial name
Synanthedon sequoiae
(Edwards, 1881)[1]
Synonyms
  • Bembecia sequoiae Edwards, 1881
  • Bembecia superba (Edwards, 1881)
  • Aegeria pinorum (Behrens, 1889)

The wingspan is 20–27 mm (0.79–1.06 in). Adults are on wing from May to early September.

The larvae feed on various conifer species, including Douglas fir, pines and spruces. The larvae are dirty white, grayish or pink. They excavate a shallow cavity that penetrates the inner bark to the cambium surface of the wood. Pupation takes place in a dark brown pupa that is made in a silk-lined chamber within the pitch mass. Most individuals require two years to develop from egg to adult.

The main effect of larval feeding is the production of large amounts of resin by the infected plants. Larval feeding sometimes causes one or more limbs to die or become weak enough to break, especially if infested trees are young.

References


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