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A scientific note on the occurrence of Varroa on adult worker of Apis nuluenis in Borneo Li de Guzman, Te Rinderer, Rr Whiteside

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Li de Guzman, Te Rinderer, Rr Whiteside. A scientific note on the occurrence of Varroa mites on adult worker bees of Apis nuluenis in Borneo. Apidologie, Springer Verlag, 1996, 27 (5), pp.429-430. ￿hal-00891388￿

HAL Id: hal-00891388 https://hal.archives-ouvertes.fr/hal-00891388 Submitted on 1 Jan 1996

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A scientific note on the occurrence of Varroa mites on adult worker bees of Apis nuluenis in Borneo

LI de Guzman 1, TE Rinderer 1, RR Whiteside2

1 USDA/ARS, Honey- Breeding, Genetics and Physiology Laboratory, 1157 Ben Hur Road, Baton Rouge, LA 70820 2 Department of Entomology, Louisiana State University, Baton Rouge, LA 70803, USA

(Received 9 September 1996; accepted 3 October 1996)

Apis nuluensis / Varroa / Borneo

While examining adult worker honey bees of the been reported in Nepal (Delfinado-Baker and new species, Apis nuluensis Tingek, Aggarwal, 1987), Korea (Woo, 1993), and recently Koeniger and Koeniger, 1996, collected by TER in Papua New Guinea (Lee, 1995). The existence from a mixed colony of A nuluensis and Apis cer- of V underwoodi on A nuluensis or A cerana ana Fabricius, we found two species of Varroa colonies in Sabah is very difficult to explain since mites on the A nuluensis worker bees: two Varroa no importation is allowed into the country. In addi- jacobsoni Oudemans and one that looked similar tion, the indigenous host of the ’underwoodi-like’ to Varroa underwoodi Delfinado-Baker and Aggar- Varroa cannot be determined since infested bees which was tucked in between the ster- wal, tightly were collected from a mixed population of A nulu- nites of its host A nuluensis worker bee. The ensis and A cerana. However, this is the first mixed colony was obtained by introducing brood observation of this in Borneo and the coin- combs and adult bees from one colony of A nulu- cidence of its collection with A nuluensis work- ensis collected from the mountains of Sabah, high ers suggests that it likely came from the A nulu- in into a cerana Malaysia Borneo queenless A ensis colony. colony located 200 km away from the collection site. Regardless of the exact species identity and host bee species of this ’underwoodi-like’ mite, The ’underwoodi-like’ mite was to V compared it is clear that three of Varroa mites coex- underwoodi from Korea and was found to have species ist in Borneo, namely: V jacobsoni infesting A only small morphological differences. Both the cerana and A a Sabahn ’underwoodi-like’ and Korean V under- perhaps nuluensis, V rindereri, parasite of A koschevnikovi (de Guzman and Del- woodi are smaller in size and have longer finado-Baker, and V underwoodi or a sim- marginal setae than V jacobsoni. However, the 1996); ’underwoodi-like’ mite from Sabah is larger, and ilar species probably parasitizing A nuluensis or A has fewer endopodal setae than the V under- cerana. woodi from Korea. The species identity of this Sabahn mite cannot be determined since we can- Eine wissenschaftliche Notiz zum Fund not conduct and molec- thorough morphological von Varroa - Milben auf Arbeiterinnen ular comparisons with only one mite sample. How- von nuluensis in Borneo ever, it is certain that the mite is a member of the Apis Varroa. Note sur la A cerana is the original host of V jacobsoni scientifique présence and V underwoodi. While V jacobsoni is cos- d’acariens Varroa sur des ouvrières mopolitan in distribution, V underwoodi has only d’Apis nuluensis à Bornéo REFERENCES Tingek S, Koeniger G, Koeniger, N (1996) Description of a new cavity nesting species of Apis (Apis nuluensis) from Sabah, Borneo with notes on its occurrence de Guzman LI, Delfinado-Baker M (1996) A new species of Varroa (: Varroidae) associated with Apis and reproductive biology (Hymenoptera: Apoidea: koschevnikovi (Apidae: Hymenoptera) in Borneo. Int Apini). Senckenbergiana Biol 76 (in press) J Acarol 22, 23-27 Woo KS (1992) The bionomics, distribution and control Delfinado-Baker M, Aggarwal K (1987) A new Varroa of bee mites () in Korea. In: Asian (Acari: Varroidae) from the nest of (Api- dae). Int J Acarol 13, 233-237 Apiculture. Connor LJ, Rinderer TE, Sylvester HA, Lee B (1995) Mites, bees, and plagues that are and Wongsiri S (eds), Cheshire USA, Wicwas press, might be. Partners in Res Dev 8, 2-9 479-490