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原白蚁科Termopsidae
分类特征：第一跗节仅在下方分裂，因此由下方看跗节为5个，从上面看为4跗节。尾须长，4-8节。无囟。前胸背板平且狭于头，有翅成虫无单眼，触角15-27节，兵蚁胫节具2-4枚端刺，无工蚁。
原白蚁亚科Termopsinae：
small gap between left molar and third marginal of soldier mandible, larger species.
Termopsini族：4 or 5 long finger-like gastric caecae, soldier teeth large and bracket shaped.
Archotermopsis, 原白蚁属Hodotermopsis,
Zootermopsis, Dendrotermopsis
Porotermitini族: 3 finger-like gastric caecae, soldier teeth small and bracket shaped
Porotermes属
胄白蚁亚科Stolotermitinae：
large gap between left molar and third marginal of soldier mandible, 2 gastric caecae which are short and round. soldier teeth small and not bracket shaped, paunch blind, smaller species.
Stolotermes属
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