A scientific note on first report of Apis laboriosa F Smith, 1871 in Lq Trung, Px Dung, Tx Ngan

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Lq Trung, Px Dung, Tx Ngan. A scientific note on first report of Apis laboriosa F Smith, 1871in Vietnam. Apidologie, Springer Verlag, 1996, 27 (6), pp.487-488. ￿hal-00891396￿

HAL Id: hal-00891396 https://hal.archives-ouvertes.fr/hal-00891396 Submitted on 1 Jan 1996

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A scientific note on first report of Apis laboriosa F Smith, 1871 in Vietnam

LQ Trung, PX Dung, TX Ngan

Bee Research and Development Center, Langha, Dongda, Hanoi, Vietnam

(Received 25 October 1996; accepted 8 January 1997)

Apis laboriosa / geographical distribution / Vietnam

In Vietnam, four bee species namely Apis 7.4% and 5.7% longer than those of A dorsata. In cerana Fabricius 1793, Fabricius addition we counted 13-14 (m = 13.5 ± 0.5) pairs 1793, Fabricius 1787 and Apis of barbs on 30 sting lancets of the new bees while andreniformis F Smith 1958 were found and (Ha A dorsata worker bees (n = 30) had around 11 in colonies of Lap, 1992). However, July 1996, (m = 11.03 ± 0.3). This corresponds to the results honey bees which were morphologically and bio- of Sakagami et al (1980). The significant differ- different from the bees mentioned above logically ence in cubital indexes of these two types of bees were observed in the mountains of nesting rocky (37.8%) was nearly identical to that reported by Sonla and Hoabinh provinces (about 20°47’N and Sakagami et al (1980) with 37.2%. 104°48’E, at an altitude of 1 270 m) in north- The color and of the abdomen of both western Vietnam. Local honey hunters have col- shape bee types are also different. The of new lected honey from the bee nests for a long time, tergites worker bees are brown-black as to a but it is only in 1996 that research started on compared bronze colour in A dorsata. Likewise, each ter- these new bees. According to our hypothesis, has a white which was in the lat- the new bee species could be Apis laboriosa F gite stripe lacking ter. The abdominal is somewhat rounded. In Smith 1871 in as described by Sak- tip agami et al (1980). contrast, A dorsata workers have a pointed abdominal tip. The description is the same as To test this 150 workers of new hypothesis, that of Roubik et al (1985). bees from three different colonies located in rocky holes were collected. The same number of A dor- The bees build their nests of open single comb sata worker bees from three different colonies on overhanging cliff ledges in the high rocky mountains. Their sites do not and nesting in valleys of the same provinces were nesting overlap also collected. Various body parts of worker bees are higher than those of A dorsata. The bees were examined and measured (table I). The sig- migrate yearly to establish their combs in the nificance of morphological differences between mountainous provinces of Sonla and Hoabinh in the two types was checked by t-test. In April and leave their empty combs for overwin- addition, nesting and migration behaviours of the tering or for another flowering place in August. bees were also studied and compared to those of These behaviours are similar to the observations A laboriosa in Himalayas. of Roubik et al (1985) and Underwood (1986) for A laboriosa in the The new worker bees were generally bigger Himalayas. than A dorsata ones (table I). The forewing length Sakagami et al (1980), Roubik et al (1985), of the former was about 8.5% longer than that of Underwood (1990), and Batra (1996) reported A the latter, similar to the findings of Sakagami et al laboriosa nesting in high mountainous areas of (1980) based on Himalayan giant honey bee sam- the Himalaya massif, which include parts of , ples. Similarly, the length of sternite 3 and pro- , , (Tibet and Yannan). These boscis length of the new bees were respectively habitats of the bees range from 1 000 m to 4 000 m in altitude with the temperature some- Himalaya range of Garhwal, India (, times dropping below 0 °C (Ruttner, 1988; Otis, ). J Kans Entomol Soc 69, 177-181 1996). HA TD, Lap PV (1992) Current status of and in research and on bees Morphological and biological similarities con- priorities development in Vietnam. Proc BeeNet Asia Workshop on priorities firm that the new bee species in Vietnam, which in R&D in beekeeping in tropical Asia, 15-38 we studied, is also A laboriosa F Smith. However further studies should be carried out on mor- Otis GW (1996) Distribution of recent recognized species phology and other aspects of geographical dis- of honey bees (Hymenoptera, Apidae: Apis) in Asia. J Kans Entomol Soc 323-326 tribution, migration, disease, enemies, etc, of the 69, bees in Vietnam. Roubik DW, Sakagami SF, Kudo I (1985) A note on dis- tribution and nesting of the Himalayan honeybee Apis laboriosa Smith (Hymenoptera, Apidae). J Kans Note scientifique sur le premier signale- Entomol Soc 58, 746-749 ment laboriosa F 1871 au d’Apis Smith, Ruttner F (1988) Biogeography and of hon- Viêt-nam eybees. Springer Verlag, Berlin, Germany, 284 p Sakagami SF, Matsumura T, Ito K (1980) Apis laboriosa Wissenschaftliche Notiz über den ersten in Himalayas. The little known world-largest honey- Fund von Apis laboriosa F Smith, 1871 bee (Hymenoptera, Apidae). Insecta Matsumura NS in Vietnam 19, 47-77 Underwood BA (1986) The natural history of Apis labo- riosa Smith in Nepal. Ms Thesis, Cornell Univ, Ithaca, References NY, USA, 88 p Underwood BA (1990) Seasonal nesting cycle and migra- Batra SWT (1996) Biology of Apis laboriosa Smith, a tion patterns of the Himalayan honey bee Apis labo- pollinator of apples at high altitude in the great riosa. Natl Geogr Res 6, 276-290