The biology and development of Porotermes adamsoni (Froggatt) (Isoptera, Hodotermitidae)

Abstract

Alates and primary reproductives were scarce in field colonies which were found in damp decaying logs and stumps on the forest floor. Colonies counted were found to be relatively small compared with those of higher termites and most were found to be headed by a pair or more of supplementary reproductives. A strong correlation was found between headwidth and the number of larval plate ridges on the right mandible which indicated that in P. adamsoni the basic number of larval instars is seven. Pairs of supplementary reproductives held at constant temperatures of 15°, 20° and 25°C produced brood; brood production was inhibited at 28°C. Although 25°C was more satisfactory for the development of primary colonies, 20°C appeared to be more satisfactory for continued development of colonies. © 1976 Masson.