Aularches miliaris

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Aularches miliaris
Aularches miliaris at Mangunan Orchard, Dlingo, Bantul, Yogyakarta 07.jpg
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Orthoptera
Family: Pyrgomorphidae
Genus: Aularches
Species: A. miliaris
Binomial name
Aularches miliaris
(Linnaeus, 1758)
  • conspersus (Houttuyn, 1813)
  • punctatus (Drury, 1770)
  • scabiosus (Fabricius, 1793)
  • verrucosus (De Geer, 1773)

Aularches miliaris is a colorful grasshopper belonging to the family Pyrgomorphidae found in South and Southeast Asia. The bright warning colours keep away predators and their defence when disturbed includes the ejection of a toxic foam.[1][2]

The insect has been called by a variety of names including Coffee locust, Ghost Grasshopper, Northern Spotted Grasshopper, or Foam Grasshopper and enjoys some popularity as a pet insect.


Aularches miliaris

The head and thorax are dark green with a canary-yellow band on the side. The tegmina are green with many yellow spots; the legs are blue, with a yellow serrated pattern on the hind femora. The abdomen is black with bright red bands.[1] Two subspecies have been designated, the nominate and pseudopunctatus.


It swarms in October, the mating and egg-laying season, collecting on bushes and grasses. It is heavy and sluggish, able to make only short leaps, very visible on vegetation.[1] Outbreaks leading to their damage to cultivated crops are uncommon.[3]

When A. miliaris (of either sex) is disturbed or grabbed, it emits a sharp rasping noise from its thoracic segments. If its thorax is pinched, it also squirts a clear viscous mucus with unpleasant smell and a bitter taste, faintly alkaline, with many embedded bubbles. This foam comes out as a strong jet from apertures in the thorax, and more gently from other openings in the body (ten in total); it heaps up around the insect and partly covers it.[1]


  1. ^ a b c d Hingston, RWG (1927). "The liquid-squirting habit of oriental grasshoppers". Transactions of the Entomological Society of London 75: 65–69. doi:10.1111/j.1365-2311.1927.tb00060.x. 
  2. ^ (2013) Aularches miliaris miliaris (Linnaeus, 1758) from Orthoptera Species File (OSF) Online. Accessed on 2013-01-29.
  3. ^ Jones, S (1940). "A Visitation of the Spotted Locust (Aularches miliaris L.) in Travancore.". Journal of the Bombay Natural History Society 41 (3): 676–678. 

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