Abstract. Supeno B, Erwan, Agussalim. 2021. Enhances production of coffee (Coffea robusta): The role of pollinator, forages potency, and honey production from Tetragonula sp. (Meliponinae) in Central Lombok, Indonesia. Biodiversitas 22: 4687-4693. The bees role as an agent of pollinators to improve the productivity of plants. This study was purposed to enhance coffee production (Coffea robusta) by roles of stingless bee Tetragonula sp. as pollinator agent, forages potency, and honey production. This study has been conducted in a coffee plantation in Lantan, Central Lombok, Indonesia. Several parameters were measured such as the number of bunches and flowers, production of nectar and pollen, sucrose nectar content, production of coffee, production of honey, honey stomach volume, and pollen weight. The results showed that the different observation time influenced the number of bunches, flowers, production of nectar and pollen, sucrose nectar content (P<0.01). The number of bunches ranged from 58.2 to 144.9 bunches/tree, the number of flowers 36.3 to 58.7 flowers/bunches, and 2,362.5 to 8.250.6 flowers/tree. Furthermore, the nectar production 9.16 to 33.85 g/tree, pollen production 1.72 to 5.95 g/tree, sucrose nectar content 20.6 to 35.0%. Estimation of coffee production before pollinated by Tetragonula sp. was 1,230.8 kg/ha, but after pollination by Tetragonula was increased it became 3,605.7 kg/ha (49.1%). Fruit production before pollinated by Tetragonula sp. was 2,127.2 fruit/tree, but after pollination by Tetragonula sp. increased to 8,309.2 fruit/tree (59.2%). Production of honey from Tetragonula sp. was 3.74 g/hive/5 months and in Apis cerana was 301.35 g/hive/5 months. It can be concluded that the Tetragonula sp. as an agent of pollinators can enhance the production of coffee and increase the biodiversity of coffee.

This study aimed to describe the morphological characters and morphometric measurements of worker level from the genus and species of stingless bee colonies in coastal areas. Observation of morphological characters and morphometric measurements used a microscope (stereo model Nikon C-LEEDS equipped with obtilab viewers software camera and image raster). The stingless bee species found in coastal areas belonged to the genus Tetragonula which consisted of Tetragonula sapiens and T. clypearis. T. sapiens was found in two locations, namely the coast of Airlow Hamlet and Negeri Rutong. T. clypearis was found in four locations, i.e., on the coast of Dusun Airlow, Negeri Rutong, Negeri Hukurila and Dusun Seri. Morphological identification was done by identifying ten morphological characters, and morphometric identification was done by measuring fourteen body parts. The results of this study indicated that the morphological and morphometric characters of T. sapiens workers were dominantly black in color with a body size of 3.74-4.25 mm. The first through the sixth abdomen tergites were black. The morphological and morphometric characters T. clypearis had a brownish black body color with a body size of 2.81-3.38 mm, a black thorax covered by six longitudinal hair bands and each separated by five conspicuous glabrous, the first and second abdomen tergites were brownish whereas the third through the sixth were black. Keywords: Ambon Island, morphology, morphometric, stingless bees.   ABSTRAK Penelitian ini bertujuan untuk mendeskripsikan karakter morfologi dan pengukuran morfometrik strata pekerja dari genus dan spesies lebah tak bersengat koloni daerah pesisir. Pengamatan karakter morfologi dan pengukuran morfometrik menggunakan mikroskop (stereo model Nikon C-LEEDS yang dilengkapi kamera software obtilab viewers dan image raster). Spesies lebah tak bersengat yang ditemukan di daerah pesisir pantai tergolong dalam genus Tetragonula yang terdiri dari Tetragonula sapiens dan T. clypearis. T. sapiens ditemukan di dua lokasi yaitu pesisir pantai Dusun Airlow dan Negeri Rutong. T. clypearis ditemukan di empat lokasi, yaitu di pesisir pantai Dusun Airlow, Negeri Rutong, Negeri Hukurila dan Dusun Seri. Identifikasi morfologi dilakukan dengan mengidentifikasi sepuluh karakter morfologi dan identifikasi morfometrik dilakukan dengan cara mengukur empat belas bagian tubuh. Hasil penelitian ini menunjukan karakter morfologi dan morfometrik tubuh pekerja T. sapiens dominan berwarna hitam dengan ukuran tubuh 3.74-4.25 mm. Abdomen dan tergite satu sampai enam berwarna hitam. Karakter morfologi dan morfometrik T. clypearis memiliki warna tubuh hitam kecoklatan dengan ukuran tubuh 2.81-3.38 mm, thorax berwarna hitam yang ditutupi oleh enam hair bands longitudinal dan masing-masing dipisahkan oleh lima glabrous yang mencolok, abdomen dan tergite pertama sampai kedua berwarna kecoklatan sedangkan tergite ketiga sampai enam berwarna hitam. Kata kunci: Lebah tak bersengat, morfologi, morfometrik, Pulau Ambon.

The purpose of the present study was to analyze Apis mellifera honey's quality given extrafloral nectar feed from Arenga pinnata sap and Cocus nucifera sap as stimulatory nutrition. The chemical compositions of honey, such as reducing sugar content, sucrose content, the acidity of honey, moisture content, and diastase enzyme activity, were measured. The comparison between A. mellifera honey's chemical compositions on Arenga pinnata sap and Cocus nucifera sap ware was analyzed using the student t-test (GraphPad Instant Statistical Program). The result from the analysis of reducing sugar content showed that the A. mellifera honey from Cocus nucifera sap (73.69± 0.21%) had a higher (P<0.05) than the Arenga pinnata sap (60.15±2.13%). The significant differences (P<0.05) in the acidity of A. mellifera honey from Arenga pinnata sap (43.00±7.48) compared with Cocus nucifera sap (22.00±2.14). The sucrose content, moisture content, and diastase enzyme activity were not significant differences between the A. mellifera honey from Arenga pinnata sap compared with the A. mellifera honey from Cocus nucifera sap. In conclusion, the chemical compositions of A. mellifera honey with extrafloral nectar (Arenga pinnata sap and Cocus nucifera sap) are good quality and indicate that the honey falls under the limits of international standards. The A. mellifera honey from Cocus nucifera sap has a higher sugar reduction content and lower acidity than the A. mellifera honey from Arenga pinnata sap

One of the factors that effect the productivity of honey bees is the factor of temperature and humidity of the nest or stup where the bees live.  A nest or stup with a maintened temperature and humidity will provide the bee comfort for live. This study discusses the effect of stup size design on the productivity honey bee of Trigona sp. This study used a Complete Random Design (CRD) with 3 stup design, namely: Horizontal, Vertical and Medium. Each design size consists of 4 replications, and each replication consists of 2 stup. Data were analyzed using by analysis of variance (ANOVA) and Duncan's test at 95% confidence level. The parameters observed were number of egg cells and pollen, weight pollen, number of honey pots and volume of honey. The results of the analysis showed that production of the medium design for number of egg cells, pollen, weight pollen, number of honey pots and the volume of honey of Trigona sp was significantly higher than vertical and horizontal design. The conclusion of this study showed that the medium stup is better used in farming system of Trigona sp.

The research aimed to determine the use of Hermetia Illucens maggot in feed on the production of  laying hens. 80 laying hens aged 6 months were grouped into 4 treatment groups,5 replicates, each replication consisted of 4 tails. The feed provided consisted of 50% corn+20.47% rice bran+29.52% layer concentrate (P0), 45% corn+27% rice bran+23% layer concentrate+5% maggot (PI), 45% yellow corn +27.73% rice bran+17.27% layer concentrate+10% maggot (PII), 40%  corn+34.33% rice bran+10.67% layer concentrate+15% maggot ( PIII).. The data obtained were analyzed by a completely randomized design. The results of the study average daily egg production for each treatment were 61.97% (P0), 73.57% (PI), 64.10% (PII) and 59.65% (PIII). The average egg weight was 55.35g/egg/head (P0), 556.47g/egg/head (PI), 55.75 g/egg/head (PII) and 55.84g/egg/head (PIII). Feed consumption was 110.23 g/head/day (P0), 112.21g/head/day (PI), 111.75g/head/day (PII) and 103.55g/head/day. Feed conversion was 3.45 (P0)., 2.81 (PI), 3.20 (PII) and 3.21 (PIII). Egg protein was 12.17% (P0), 12.98% (P1), 13.83% (PII),  14.53% (PIII). Egg cholesterol was 149.25mg/dl (P0), 153.75mg/dl (P1), 181.25mg/dl (P2) and 175.00mg/dl (P3). Beconcluded that the use of Hermetia Illucens maggot 5%, 10%, 15% in feed has not significant effect (P>0.05). on the egg production, egg weight, consumption and feed conversion and significant effect (P< 0.05) on the protein and colesterol of laying hens.