A qualitative and quantitative census of fireflies was conducted in Tungshih forest from November 1998 to April 2000, with 9 species fireflies found in Tungshih forest, Luciola cerata; L. kagiana; L. anceyi; L. gorhami; Curtis sauteri; Pyrocoelia praetexta; P. formosana; Diaphanes citrinus and Stenocladius bicoloripe. The result of qualitative census : the adult of L. cerata, late March to mid-April, larva, August to next March； the adult of L. kagiana, early April to mid-April, the adult of L. anceyi, early April to mid-April, the adult of L. gorhami, mid-July to late July, larva, November to next April； the adult of C. sauteri, early May to mid-May, the adult of P. praetexta, late October to late November, larva, mid-May to early-October；the adult of P. formosana, early May to late May, the adult of D. citrinus, mid-October to early November and the adult of S. bicoloripe, late October. The adult of L. cerata was most visible between March to May. The larva of P. praetexta and the adult of L. gorhami were most visible between June to July. The larva of P. praetexta and the larva of D. citrinus were most visible between August to October. The adult of D. citrinus and P. praetexta were most visible in November. The larva of L. cerata and L. gorhami were most visible between November to next May. The larva of these species were inhabited the surface of the earth and they eat the snails, the snail in their habit were Phaedusinae, Achatina fulica, Patalochlamys formosana, Acusta tourannensis, Aegista ﹙Plectotropis﹚mackensii, Cyclophorus formosaensis moellendorffi , Patalochlamys vesta , Bradybaena similaris.
