Anopheles indefinitus (Ludlow, 1904)




Etymology: not stated [uncertain (L); possibly a reference to similarity to two other species]

Type locality: Philippines

Type depository: U.S. National Museum, Washington, D.C., United States (USNM)


Yamaguti & LaCasse 1950a

Rattanarithikul & Harrison 1973

Darsie & Pradhan 1990

Rattanarithikul et al. 2006b



adult mosquito key icon

WRBU - Genera - Global - Adult

 larval key icon

WRBU - Genera - Global - Larva

 adult mosquito key icon

WRBU - Genera - Indomalaya - Adult

 larval key icon

WRBU - Genera - Indomalaya - Larva

adult mosquito key icon

WRBU - Genera - Oriental - Adult

larval key icon

WRBU - Genera - Oriental - Larva

adult mosquito key icon

WRBU - Anopheles Subgenera and Series - Indomalaya - Adult

larval key icon

WRBU - Anopheles Subgenera and Series - Indomalaya - Larva

adult mosquito key icon

WRBU - Anopheles Subgenera and Series - Oriental - Adult

larval key icon

WRBU - Anopheles Subgenera and Series - Oriental - Larva

adult mosquito key icon

WRBU - Anopheles (Cel.) Pyretophorus Series - Indomalaya - Adult

larval key icon

WRBU - Anopheles (Cel.) Pyretophorus Series - Indomalaya - Larva

Exemplar DNA sequences

All Anopheles indefinitus DNA sequences



Cambodia, Guam, Indonesia, Laos, Malaysia, Mariana Isl., Nepal, People’s Republic of China, Philippines, Sri Lanka, Taiwan, Thailand, Vietnam.



(Ludlow) 1904c: 299 (F; Myzomyia rossi variety)

Yamaguti & LaCasse 1950a (M*, F*, L*; keys, taxonomy, bionomics, distribution; Guam)

Bonne-Wepster & Swellengrebel 1953: 421 (M*, F*, L; as malayensis)

Stone & Knight 1956b: 278 (type information, lectotype designation)

Bohart 1957 (1956): 17 (M, F, L; as subpictus indefinitus)

Reid 1959: 101 (L; as malayensis)

Reid 1966: 327 (to species; synonymy)

Reid 1968: 334 (F*, P, L*, E*)

Pratt & Siren 1971 (distribution)

Basio 1971b: 45 (M*, F*; bionomics; as subpictus variety)

Rattanarithikul & Harrison 1973 (L*; key, distribution; Thailand)

Baisas 1974: 62 (M, F*, P, L*, E*; taxonomy, bionomics, distribution; Philippines)

Lien et al. 1977 (distribution)

Darsie & Pradhan 1990 (F, L; taxonomy, keys, bionomics, distribution; Nepal)

Harrison et al. 1991 (1990): 223 (Thailand.)

Rattanarithikul et al. 2006b (F*, L*; bionomics, distribution, keys)



syn. formosaensis II Tsuzuki

1902a: 28 (A, L). Type locality: Formosa [Taiwan, Republic of China] (NHMUK). References: King 1932a: 328 (? = subpictus indefinitus (Ludlow)); Reid 1968: 336 (synonymy); Townsend 1990: 74 (type information).

syn. trimaculatus Tsuzuki

1907: 549 (M, F; formosaensis II variety). Type locality: Formosa [Taiwan, Republic of China] (LU). References: Stone et al. 1959: 57 (synonymy); Reid 1968: 336 (synonymy).

syn. malayensis Hacker

1921: 1 (F). Type locality: Malaya [Malaysia] (NHMUK). References: Reid 1966: 327 (synonymy).






Baisas, F.E. (1974). The mosquito fauna of Subic Bay Naval Reservation, Republic of the Philippines. San Francisco, CA: First Medical Service Wing (PACAF), Technical Report 72-2.

Basio, R.G. (1971b). The Mosquito Fauna of the Philippines (Diptera, Culicidae). Monograph No. 4). Manila, Philippines: National Museum of the Philippines.

Bohart, R.M. (1957). Insects of Micronesia (Diptera: Culicidae). (12(for 1956)(1)). Honolulu, HI: Bishop Museum.

Bonne-Wepster, J., & Swellengrebel, N.H. (1953). The anopheline mosquitoes of the Indo-Australian Region. Amsterdam, The Netherlands: de Bussy.

Darsie, R.F., Jr., & Pradhan, S.P. (1990). The mosquitoes of Nepal: Their identification, distribution and biology. Mosquito Systematics, 22(2), 69–130.

Hacker, H.P. (1921). Changes in nomenclature of species. Report of the Malaria Bureau, Federated Malay States, 2, 1.

Harrison, B.A., Rattanarithikul, R., Peyton, EL, & Mongkolpanya, K. (1991). Taxonomic changes, revised occurrence records and notes on the Culicidae of Thailand and neighboring countries. Mosquito Systematics, 22(for 1990)(3), 196–227.

King, W.V. (1932a). The Philippine Anopheles of the Rossi-Ludlowi group. Philippine Journal of Science, 47(3), 305–342.

Lien, J.C., Kawengian, B.A., Partono, F., Lami, B., & Cross, J.H. (1977). A brief survey of the mosquitoes of South Sulawesi, Indonesia, with special Reference to the identity of Anopheles barbirostris (Diptera: Culicidae) from the Margolembo area. Journal of Medical Entomology, 13(6), 719–727.

Ludlow, C.S. (1904c). Mosquito notes. II. The Canadian Entomologist, 36(10), 297–301.

Pratt, H.D., & Siren, N. (1971). Anopheles indefinitus and Culex fuscanus (Diptera: Culicidae) in Saipan. Mosquito News, 31(1), 114–115.

Rattanarithikul, R., & Harrison, B.A. (1973). An illustrated key to the Anopheles larvae of Thailand. US Army Medical Component, SEATO, Bangkok, Thailand.

Rattanarithikul, R., Harrison, B.A., Harbach, R.E., Panthusiri, P., & Coleman, R.E. (2006b). Illustrated keys to the mosquitoes of Thailand. IV. Anopheles. Southeast Asian Journal of Tropical Medicine and Public Health, 128(Suppl. 2), 2.

Reid, J.A. (1959). A note on the larvae of Anopheles subpictus and sundaicus. Mosquito News, 19, 101–102.

Reid, J.A. (1966). A note on Anopheles subpictus Grassi and A. indefinitus Ludlow (Diptera: Culicidae). Journal of Medical Entomology, 3(3–4), 327–331.

Reid, J.A. (1968). Anopheline mosquitoes of Malaya and Borneo. Studies from the Institute for Medical Research Malaysia, 31, 1–520.

Stone, A., & Knight, K.L. (1956b). Type specimens of mosquitoes in the United States National Museum. III. The genera Anopheles and Chagasia (Diptera, Culicidae). Journal of the Washington Academy of Sciences, 46(9), 276–280.

Stone, A., Knight, K.L., & Starcke, H. (1959). A synoptic catalog of the mosquitoes of the world (Diptera, Culicidae) (Vol. 6). Washington, DC: Thomas Say Foundation, Entomological Society of America.

Townsend, B.C. (1990). Culicidae. (pp. 35–152). In B.C. Townsend, J. E. Chainey, R.W. Crosskey, A.C. Pont, R.P. Lane, J.P.T. Boorman, & C.A. Crouch (Eds.). A catalogue of the types of bloodsucking flies in the British Museum (Natural History), London, England: British Museum (Natural History).

Tsuzuki, J. (1902a). A report of an investigation on malaria in Taiwan. Saikingaku zasshi, 75, 25–51.

Tsuzuki, J. (1907). Über die Anopheles-arten in Japan und einige Beiträge zur Kenntnis des Entwicklungsganges der Anopheles-larven. Zoologische Jahrbücher Abteilung, 1, 25(5–6), 525–556.

Yamaguti, S., & LaCasse, W.J. (1950a). Mosquito fauna of Guam. Office of the Surgeon, Headquarters, 8th Army, APO 343. Office of the Surgeon-General. 207th Malaria Survey Detachment.



Walter Reed Biosystematics Unit (Year). Anopheles indefinitus species page. Walter Reed Biosystematics Unit Website,, accessed on [date (e.g. 03 February 2020) when you last viewed the site].