Research on stingless bee at several Meliponiculture (stingless beekeeping) sites in West Sumatra, including at Universitas Andalas Campus Complex, had been conducted from April to December 2019 by using direct survey and direct collection methods on stingless bee worker at their colony entrances. A total of 18 stingless bee species that belong to five genera were collected. Tetragonula was the genus with the highest in species number (8), followed by Homotrigona (5) and Lepidoptrigona (3). Meanwhile, Heterotrigona and Geniotrigona were only represented by a single species each despite their popularity among West Sumatra beekeepers. Universitas Andalas Campus Complex harbours the highest species number of stingless bee (10), followed by stingless beekeeping site in Lubuk Minturun (7). Only 2-4 stingless bee species bred elsewhere stingless beekeeping sites. We presume that the difference of species number recorded in various stingless beekeeping sites indicated the complexity of this bee species within the variety of habitats.
Termites are distributed throughout the world and often cause economic losses. This study aims to; (1) analyze the relationship between the distribution of termite species and the environmental conditions of Makassar city; (2) determine the level of attack in the Makassar City; and (3) map the risk of termite attack in the Makassar City. Samples of Pinus merkusii (2 × 2 × 20 cm) were placed at 13 observation stations and covered using polyvinyl chloride (PVC) tubes (4″ in diameter, 25-cm in length). Samples remained in place for 6 months, at which point the presence of termite attacks as well as their intensity and frequency were analyzed. Three species of termites were found among the 13 stations: Schedorhinotermes sp., Coptotermes gestroi, and Microcerotermes serrula. Their presence was significantly influenced by environmental factors at each station. The study results showed a low rate of attack in several subdistricts of Bontoala, Biring Kanaya, Makassar, Mamajang, Mariso, Manggala, Panakukang, Rappocini, Tallo, Tamalanrea, Tamalate, Ujung Pandang, Ujung Tanah, and Wajo districts. A medium level of attacks was found in subdistricts within Biring Kanaya, Manggala, Mamajang, Panakukang, Rappocini, and Tallo Districts. Finally, a high risk of termite attacks was present in several subdistricts of Biringkanaya, Tamalantera, Rappocini, Manggala, and Tamalate districts.
Termites as wood biodeterioration agents have an important role in the ecosystem. This study aimed to observe termite diversity. A termites survey was conducted on Forest Concession Areas of PT. Inhutani I, South Sulawesi Indonesia. The termite specimens collected used the standardized transect sampling protocols at three different sites (forest with mixed vegetation, Pinus merkusii plantation, and logged-over area; and measurement of nine morphological characters of the soldier was conducted, i.e: head length without mandibles, head width at base of mandible, maximum width of head, left mandible length, pronotum length, maximum width of pronotum, postmentum length, postmentum width of postmentum, and the number of antenna segments. The results showed that there are four species found based on the morphological characteristics and morphometrical data, namely: Odontotermes javanicus., Nasutitermes sp., Schedorhinotermes sp. and Coptotermes curvignathus. The highest termite abundance was found in forest with mixed vegetation. The termite diversity in logged-over area and forest with mixed areas was moderate, while species diversity in pine plantation was low.
Termite interaction from the same or different colonies or species can display a variety of agonistic behaviours. The study aimed to observe the interspecific agonistic behaviour of Odontotermes javanicus and Microcerotermes sp. For this purpose, an assay was carried out using a test arena separated into two groups. Termite responses were tested against each other in the following pairwise test (worker versus worker, worker versus soldier, and soldier versus soldier) with a 1:1 ratio (ten individuals) from each colony. Specimens were collected at the area of Forestry Faculty, Universitas Hasanuddin, Indonesia. The observed agonistic behaviour of both species is dominated by examination (antennation) and aggression (attacking, grappling, and biting). There were three treatment combinations that classified as no aggression, except for the treatment (Microcerotermes sp. soldier versus O. javanicus worker) that classified in aggression level 3 (aggressive). Based on termite survival after five minutes of testing, O. javanicus is more competitive than Microcerotermes sp,; no more individual termites of both species survive after 24 hours of testing.
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