Zootermopsis angusticollis (Hodotermitidae)

the Pacific dampwood termite


Zootermopsis angusticollis winged adult

Figure 1.1

Observe the 3 major morphological forms:

  1. Winged reproductives - 2 pairs of wings of similar size and shape, wings are dark brown and heavily veined, 25 mm in length. Bodies are flattened, brown in colour, 10 mm long (Figure 1.1 - 1.2)
  2. Nymphs - wingless, off-white in colour, 3-15 mm in length.
  3. Soldiers - light brown with an oversized head armed with large, black, toothed mandibles. 10-20 mm in length (Figure 2.0).

Zootermopsis angusticollis winged adult

Figure 1.2

Close up of winged reproductive showing natural orientation of wings.

Zootermopsis angusticollis soldier

Figure 2.0

Soldiers - note oversized head armed with large mandibles.



 Zootermopsis angusticollis damage

Usually found in damp, decayed wood. Tunnel systems are open with many branches. Wood fiber is digested by symbiotic flagellates in the gut. This species is unique to the west coast.






Principal Hosts:

Most untreated wood products and dead trees in contact with the ground.

Economic Importance:

Usually infest damp, rotten wood, so their presence is an indication of rot problems.

References and Links:

EAG: 539-541; FC: 72.