Eurema simulatrix

Eurema simulatrix, the changeable grass yellow, is a butterfly in the family Pieridae. It is found from Burma to Sundaland, Cambodia and the Philippines.[2] The habitat consists of secondary or disturbed habitats including forest clearings, roadsides and riverbanks, parks and gardens.[3]

Changeable grass yellow
Dorsal view
Ventral view
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Pieridae
Genus:
Eurema
Species:
E. simulatrix
Binomial name
Eurema simulatrix
(Semper, 1891)[1]
Synonyms
  • Terias simulatrix Semper, 1891
  • Terias tecmessa de Nicéville & Martin, [1896]
  • Terias hecabe grandis f. sarinoides Fruhstorfer, 1910
  • Eurema simulatrix tecmessa f. stockleyi Corbet & Pendlebury, 1932

The length of the forewings is 21–26 mm (0.83–1.02 in) for males and 19–25 mm (0.75–0.98 in) for females.[4] Adults have two cell spots on the underside of the forewings and a large, almost cleft, reddish-brown apical spot on the forewing.[5]

Subspecies

The following subspecies are recognised:[1]

  • E. s. simulatrix (Philippines: Mindanao)
  • E. s. princessae Morishita, 1973 (Palawan)
  • E. s. tecmessa (de Nicéville & Martin, [1896]) (southern Burma, Peninsular Malaya, southern Thailand, Singapore, Sumatra, Java, Borneo) – de Nicéville's grass yellow
  • E. s. sarinoides (Fruhstorfer, 1910) (Sikkim to Burma, northern Thailand, Laos) – scarce changeable grass yellow
  • E. s. littorea Morishita, 1968 (Langkawi)
  • E. s. inouei Shirôzu & Yata, 1973 (Thailand, Cambodia, Indo-China)
  • E. s. tiomanica Okubo, 1983 (Tioman)

Eurema irena is sometimes treated as a subspecies of Eurema simulatrix.

References
  1. Eurema, Site of Markku Savela
  2. The butterflies of Sulawesi: annotated checklist for a critical island fauna
  3. Butterflies of Thailand, Malaysia & Borneo
  4. A Taxonomic Study of the Genus Eurema Hübner, [1819] (Lepidoptera: Pieridae) in Thailand
  5. "Butterfly Circle". Archived from the original on 2012-04-06. Retrieved 2011-10-14.


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