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aedeagus (A. Ames)

aedeagus (Malipatil et al. 2004)


Liriomyza katoi Sasakawa 1961


Artemisia princeps, Artemisia sp., Chrysanthemum morifolium, Chrysanthemum sp. (Asteraceae)
(Sasakawa 1994; Sasakawa & Pong 1988; Shiao et al. 1991; Malipatil et al. 2004)


Asia:  Indonesia, Japan, Malaysia, Taiwan

Key characters

Head with frons yellow, occiput black, both vertical bristles on yellow ground, antenna yellow with third antennal segment rounded, mesonotum shiny black, scutellum yellow, legs with coxae and femora yellow, tibiae and tarsi brown. Wing length 1.5 mm in male, 1.6 mm in female. Wing with costa extending to M. Abdominal tergites mostly shiny black. Male genitalia with phallus with characteristic large process on mesophallus and with rounded endophallus.

External morphology very similar to L. trifolii and L. yasumatsui (Malipatil et al. 2004). Identification requires examination of male genitalia.  Detailed descriptions of external morphology, host plants and both male and female terminalia were given by Shiao et al. (1991).


The larva of Liriomyza katoi forms an upper surface leaf mine (Spencer 1990).  It was first described in Japan (Sasakawa 1961) and was subsequently found in Malaysia (Sasakawa & Pong 1988), Taiwan (Shiao et al. (1991) and Indonesia (Malipatil et al. 2004). Shiao et al. (1991) only recorded L. katoi on Chrysanthemum morifolium in northern Taiwan and suggested that it had been introduced from Japan. The eulophid, Chrysocharis pubicornis (Zettersted), has been recorded as a parasitod of L. katoi (Hansson & LaSalle 1996).



Hansson C & LaSalle J (1996). Two new eulophid parasitoids (Hymenoptera: Chalcidoidea: Eulophidae) of Liriomyza trifolii (Burgess) (Diptera: Agromyzidae). Oriental Insects 30: 193-202.

Malipatil MB, Ridland PM, Rauf A, Watung J & Kandowangko D (2004) New records of Liriomyza Mik (Agromyzidae: Diptera) leafminers from Indonesia. Formosan Entomologist 24: 287-292. pdf

Sasakawa M (1961). A study of the Japanese Agromyzidae (Diptera), 2. Pacific Insects 3: 307-472. pdf

Sasakawa M (1994). Notes on the Japanese Agromyzidae (Diptera), 3. Liriomyza-miners on Artemisia spp. (Asteraceae). Japanese Journal of Entomology 62: 55-64. abstract and link to full text

Sasakawa M & Pong TY (1988). Agromyzidae (Diptera) of Malaysia (Part 1). Kontyű, 56: 853-866. abstract and link to full text 

Shiao SF, Lin FJ & Lu WJ (1991). Redescription of four Liriomyza species (Diptera: Agromyzidae) from Taiwan. Chinese Journal of Entomology 11: 65-74. pdf

Spencer KA (1990). Host specialization in the world Agromyzidae (Diptera). Series Entomologica 45. Kluwer Academic Publishers, Dordrecht. 444 pp.