ENCOUNTERS WITH TETRACANTHAGYNA PLAGIATA (WATERHOUSE) IN SINGAPORE, WITH AN OBSERVATION OF OVIPOSITION (ODONATA: ANISOPTERA: AESHNIDAE)

Members of the dragonfly genus, Tetracanthagyna Selys, 1883 are among the largest representatives of the extant Odonata. The genus is currently represented by five species, namely: (i) Tetracanthagyna bakeri Campion & Laidlaw, 1928 (Philippine Islands); (ii) Tetracanthagyna brunnea McLahlan, 1898 (Thailand to Borneo); (iii) Tetracanthagyna degorsi Martin, 1895 (Sumatra, Java, Borneo); (iv) Tetracanthagyna plagiata (Waterhouse, 1877) (Oriental region); and (v) Tetracanthagyna waterhousei McLahlan, 1898 (Oriental region) (Steinmann, 1997). In Singapore, there have been occasional and isolated records of Tetracanthagyna plagiata, which is also the type species of the genus. Locally, it may also be referred to by its vernacular name, the ‘giant hawker’ (Norma-Rashid et al., 2008).