Name: Doungrat (Insun) Riyong

Assistant Professor, Ph.D.


  • B.Sc. (Health Education)                     Chiang Mai Rajabhat University (Thailand), 1994
  • M.Sc. (Tropical Medicine)                  Mahidol University (Thailand), 1997
  • Ph.D. (Tropical Medicine)                   Mahidol University (Thailand), 2007

Teaching Activities:

  • Medical Parasitology
  • Medical Entomology

Research Emphasis:

  • Forensic Entomology
  • Medical Entomolgy
  • Medical Parasitology

Pubmed   click here

Past Publications:  pdf file, click here

Recent Publications:

1. Riyong D, Waikagul J, Panasoponkul C, Choochote W, Ito A, Dekumyoy P. Size and charge antigens of Dirofilaria immitis adult worm for IgG-ELISA diagnosis of bancroftian filariasis. Southeast Asian J Trop Med Public Health. 2010 Mar; 41(2): 285-97.

2. Sutthanont N, Choochote W, Tuetun B, Junkum A, Jitpakdi A, Chaithong U, Riyong D, Pitasawat B. Chemical composition and larvicidal activity of edible plant-derived essential oils against the pyrethroid-susceptible and -resistant strains of Aedes aegypti (Diptera: Culicidae). J Vector Ecol. 2010 Jun; 35(1):106-15.

3. Intirach J, Junkum A, Tuetun B, Choochote W, Chaithong U, Jitpakdi A, Riyong D, Champakaew D, Pitasawat B. Chemical constituents and combined larvicidal effects of selected essential oils against Anopheles cracens (Diptera: Culicidae). Psyche. 2012; 2012:591616.

4. Sanghong R, Junkum A, Choochote W, Chaithong U, Jitpakdi A, Riyong D, Pitasawat B. Repellency screening of herbal products against the dengue fever vector, Aedes aegypti (Diptera: Culicidae). Chiang Mai Medical Journal 2014; 53(2):53-62.

5. Champakaew D, Junkum A, Chaithong U, Jitpakdi A, Riyong D, Sanghong R, Intirach J, Muangmoon R, Chansang A, Tuetun B, Pitasawat B. Angelica sinensis (Umbelliferae) with proven repellent properties against Aedes aegypti, the primary dengue fever vector in Thailand. Parasitol Res. 2015;114(6):2187-98.

6. Sanghong R, Junkum A, Chaithong U, Jitpakdi A,  Riyong D, Tuetun B, Champakaew D, Intirach J,  Muangmoon R, Chansang A, Pitasawat B. Remarkable repellency of Ligusticum sinense (Umbelliferae), a herbal alternative against laboratory populations of Anopheles minimus and Aedes aegypti (Diptera: Culicidae). Malar J. 2015;14(1):816.


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