The population of Toxorhynchites splendens in the rural area of the administrative city of Banjarbaru is quite abundant. This can be developed as part of the control management of Aedes sp. and Culex sp. as disease vectors. The purpose of this study was to test the predation ability of Tx. splendens against larvae of Ae. aegypti and Cx. quinquefasciatus and larval development time of Tx. splendens fed with larvae of Ae. aegypti and Cx. quinquefasciatus. The study used a completely randomized design with 10 replications. The results obtained were the predation ability of Tx. splendens larvae from instar 2 to pupae against larvae of Ae. aegypti and Cx. quinquefasciatus were 5.5 larvae/day and 6 larvae/day, respectively. The average length of the developmental phase of Tx. splendens larvae fed with Ae. aegypti and Cx. quinquefasciatus was 14.55 days and 12 days. The conclusion of this research is Tx. splendens originating from the city of Banjarbaru has the power of predation against Ae. aegypti and Cx. quinquefasciatus.
Abstract. Hidayaturrahmah, Santoso HB, Nurapriana D, Badruzsaufari, Muhamat. 2019. Short Communication: Digenea parasites in giant mudskipper (Periopthalmodon schlosseri) in Kuala Lupak Village, South Kalimantan, Indonesia. Biodiversitas 20: 3782-3787. Parasites are organisms that impart detrimental effects on their host. Monogenea which are generally ectoparasites and digenea which are endoparasites are the most common parasites which invade fish. This research was aimed to find out the existence of monogenean and digenean parasites as well as their species in giant mudskipper or timpakul fish (Periopthalmodon schlosseri) in Kuala Lupak Village, South Kalimantan, Indonesia. Employing 25 giant mudskipper which was randomly collected from Kuala Lupak Village, South Kalimantan, this study explored the presence of ectoparasites and endoparasites on the mucous, fins, gills, intestines, stomach, and meat of the fish. The results showed that only digenean parasites were found in the giant mudskipper (Periopthalmodon schlosseri). The digenean parasites found to come from Opecoeloides genus and Buchepalidae family, metacercariae cysts, and parasites of the nematode phylum. Monogenea parasites were not found due to low fish-density, fish behavior that is rarely in the water, and adequate nutrition which is the opposite of growth-supporting factors of monogenean. Parasitic infection could occur because the fish eat some intermediate hosts of digenea, such as snails and other fish. Besides, the condition of waters that have been contaminated with digenean eggs allows the life cycle of the digenean to continue in fish.
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