Butterfly Photography at Our Local Parks

Butterfly Watching & Photography at Local Parks
Featuring : Toa Payoh Town Park

Occupying an area of about 4.8 hectares, Toa Payoh Town Park (TPTP) is situated opposite the HDB Hub and the Toa Payoh Bus Interchange, bounded by the Pan-island Express Way, Lor 6 and Lor 2 Toa Payoh. The entrances to the park are located along Lor 6 and Lor 2.

Butterfly activities are usually sighted on the section of the park towards the Lor 2 direction. Here are the popular spots for watching and shooting butterflies at TPTP.

Ixora bushes (probably javanica) below the pedestrian overhead bridge connecting the park and the bus interchange (adjacent to Lor 6) is a must-visit spot, especially when the flowers are in full bloom.

On a sunny morning, you could be thrilled and entertained by many fluttering butterflies such as the Common Mime, Common Grass Yellow, different skippers such as the Palm Bob and the Grass Demon zipping past you at high speeds, or the sun-bathing male Peacock Royal showing off his spectacular upper sides, or the impeccable gliding and sailing in the air demonstrated by the Short Banded Sailor.

A beautiful hairstreak butterfly, the Peacock Royal must be the ‘gem” of the park. The desire of getting good and nice shots of this elegant and relatively rare flying gem always entices many macro photography enthusiasts to visit the park. On a sunny morning when this species is in season , you would see at least a couple of them feeding and staying quite tame on the Ixora flowers.

Other species such as the Common Palmfly, Chocolate Pansy, the Autumn Leaf and Slate Flash are regular visitors to the park.

The Ixora flowers also attract some surprise visitors such as the Green Baron, Plain Banded Awl and the Common Bluebottle at times.

Look out for the tower at the park which stands tall opposite the pedestrian overhead bridge. You will never fail to spot the Common Grass Yellow, a permanent resident in the park, fluttering around the attractive Peacock Flower (Caesalpinia pulcherrima) flowers in front of the tower.

Usually on a sunny day before noon, you could also spot other common species such as Lemon Emigrant and Lime Butterfly. These butterflies are usually skittish and alert but when they decide to feed on the nectar of the flowers, you can nail them quite easily.

A prominent sheltered open space near the Lor 2 entrance that you will not miss is the multi-function pavilion. Strolling leisurely on the boardwalk next to the pavilion, you will be charmed by the pink and red flowers of the Jatropha shrubs and the purple Cat’s Whiskers on both sides of the boardwalk. If you are observant, you are likely to sight some small butterflies such as the Lesser Grass Blue, Pale Grass Blue, Pygmy Grass Blue or Ciliate Blue fluttering and feeding on these flowers.

If you visit the park early in the morning, chances are good that you would find some butterflies resting in the comfort of the morning cool. They are so tame and lethargic that you can set up a tripod or monopod to get your perfect shots at your own time.Sometimes you may be able to spot a large colony of Tailless Line Blue congregating around the yellow Dieffenbachia bushes along the jogging path next to the boardwalk.

Last but not least, look out for butterflies puddling on the damp soil or in front of the toilet. The picture below shows a male Striped Albatross getting “drunk” in front of the toilet.

TPTP is a convenient neighbourhood park that offers everyone good opportunities to watch, appreciate and take pictures of many beautiful butterflies. ButterflyCircle members have sighted and recorded over 30 species of butterflies at the park.

So next time when you visit the park, spend a bit more time at the favourite spots to observe and enjoy these “flying jewels” in action.

Text by Federick Ho ; Edited by Khew SK ; Photos by Federick Ho, Khew SK, Simon Sng, Sum CM, Sunny Chir and Tan BJ

Toa Payoh Town Park Map

The Toa Payoh Town Park is one of about 300 parks in Singapore which is designed and managed by the National Parks Board (NParks). As the custodian of Singapore's world-renown lush greenery, NParks maintains and enhances public green spaces which includes parks, gardens, green connectors and nature reserves, all of which are part of Singapore's aspirations of being a City in a Garden.

Life History of the Green Oakblue

Butterfly Biodata :
Genus : Arhopala Boisduval, 1832
Species : eumolphus Cramer, 1780
Subspecies : maxwelli Distant, 1885
Wingspan of Adult Butterfly : 45mm

Caterpillar Host Plant : to be identified.

Adult male Green Oakblue




Adult female Green Oakblue

Physical Description of Adult Butterfly : On the underside, the adult butterflies have the post-discal spot in space 4 of the forewing moved out of line with the spots above and below it; and on the hindwing the post-discal spot in space 6 is below the spot in space 7. The adults are tailed and moderately large. The male has a brassy green upperside with the forewing border decreasing in thickness from the tornus to the apex. In contrast, the female has a purple blue upperside, and on the forewing the border usually reaches the apex of the cell.

Field Observations of Butterfly Behaviour : This species is a forest denizen and the adult butterflies have been observed to fly in the vicinity of its host plant within the nature reserve areas of Singapore. Both sexes spend much time resting among foliage on the uppersides of leaves with wings closed. When disturbed they usually take off with a swift flight. In sunny weather, they can be spotted sunbathing on uppersides of leaves with both wings opened flat. This sunbathing behaviour has been observed to be a well-timed event taking place in the afternoon.

Early Stages :

The female oviposits on the underside of a mature leaf of the host plant. Each time a single egg is laid, but as the mature leaf is rather large, sometimes several eggs can be found (singly, not in a cluster) on the same leaf. The egg is small (about 0.5mm in diameter) and white in colour, circular with a slightly depressed micropylar area and a reticulated pattern of intersecting ridges.


Female Green Oakblue with abdomen curved to lay egg on the leaf underside.


Left : Fertile egg of the Green Oakblue ; Right : and Empty egg shell --- partially eaten

After about 2 days, the caterpillar hatches from the egg. As it makes its way out of the egg shell, the tiny young larva consumes the eggshell partially for its exit. As the caterpillar of all instars only eats the soft young leaves of the hostplant, the newly hatched has to move away from the mature leaf (where the egg was laid), and make its way to the younger leaves of the host plant. Upon arrival at the young leaves, the caterpillar nibbles away on the leaf surface, making tiny holes on the leaf and leaving a trail of frass behind it.


Left : The large (up to 30cm in length) and hardened mature leaves of the host plant where eggs are laid on the undersides by the female Green Oakblue. ; Right : Young shoot of host plant with soft leaves for caterpillars of Green Oakblue to chew on.

The caterpillars of all instars have a much flattened appearance and have a large, flattened, semicircular first thoracic segment . They construct loose leaf shelters to which they return for rest and for hiding when their feeding activity nearby is disturbed. Typically the caterpillars of all instars would rest next to the main rib of the growing leaf. The caterpillars also have a dorsal nectary organ and have been observed to be attended by ants of two species. On one site, the attending ants are of the Polyrachis species, but on another site, the attending ants are much smaller and species ID of which is yet to be determined. The Green Oakblue larvae have also been observed to be victimized by a parasitoid of Apanteles sp.

A 4th instar caterpillar being attended to by an ant of Polyrachis sp.

The 1st instar caterpillar is initially light yellowish with a tinge of beige. As it grows, it loses the beige tinge and becomes increasingly yellowish. It starts at about 1mm in length, and grows to about 3mm in 2 days before the moult to the 2nd instar.

The 2nd instar caterpillar is distinctly yellow in color and has a prominent whitish dorsal marking.

The 3rd instar caterpillar has a similar appearance to the 2nd instar caterpillar. Because of its larger size, the body markings are now more prominent. An ``hour-glass’’ mark on the anal segment is also visible now.

1st instar caterpillar on the young leaf next to the evidence of its feasting.

2nd instar caterpillar . More yellowish, more distinct dorsal marking.

3rd instar caterpillar showing more prominent body markings and the ``hour-glass’’ mark on the anal segment.

The 4th instar caterpillar is essentially similarly patterned as the 3rd instar, but it now takes on a light greenish and somewhat translucent appearance. The dorsal markings become distinctively fluorescent yellow in contrast..

4th instar caterpillar in its shallow leaf shelter

The 5th and final instar caterpillar is much bigger with increases in both body length and width. The ``hour-glass’’ mark on the anal segment is longer visible. Initially the caterpillar has a greenish colouration but slowly this gives way to a yellowish colouration as it matures and grows to a length of about 20-22mm.

Two 5th instar caterpillars, with the green one being earlier in growth.


An ill-fated 5th instar caterpillar with cocoons of a Apanteles sp. underneath it. The poor caterpillar eventually died hours later.

About 16 days after its hatching from the egg, the caterpillar ceases its feeding activity and its body color becomes reddish brown. At the same time its body length gradually becomes shorter. This lasts for about one day. The caterpillar then goes into a one and half day of pre-pupation pose within a loose leaf shelter. During this time, the caterpillar prepares for pupation by spinning a silk girdle and a silk pad to which it attaches itself via cremastral hooks.


The late 5th instar caterpillar is reddish brown and shrunk in length a day before pre-pupation.


The preparatory caterpillar hours before pupation. The silk girdle is already constructed.

The pupa has a shape typical of any lycaenid species, and a length of 14-16mm. It is light brown with a short dorsal stripe, and has a somewhat produced anal segment.

After about 10 days, the pupal shell turns transparent and the wings of the soon-to-be-emerging butterfly can be seen through the pupal shell. Eclosion takes place within the next 24 hours, typically one or two hours after dawn.


Two views of a pupa of the Green Oakblue.


All ready for eclosion. The upperside wing pattern of the adult butterfly can be seen through the now transparent pupal case.

An adult male Green Oakblue

Text by Horace Tan ; Photos by Horace Tan, Sunny Chir & Khew SK

Butterfly of the Month - January 2008

BUTTERFLY OF THE MONTH - JANUARY 2008
The Malayan Plum Judy (Abisara saturata kausambioides)

We start off the year 2008 with something auspicious and deep red - A small but nice maroon-coloured butterfly from the family Riodinidae. The species from this family are often referred to by their group common name of 'Metalmarks', probably due to the presence of silvery metallic-looking spots on the underside of the wings of some of the species in the family. The family is also characterised by a number of attractive and strikingly red and orange-red coloured species.

The forelegs of the Riodinidae are imperfect and brush-like in the males, but are usually functionally perfect in the females. The 'Metalmarks' are confined to deep shady forested areas where usually they flit around on low level leaves. A characteristic behaviour is that the species of this family tend to stop on the uppersides of leaves with half open wings, and twist and turn with jerky movements.

The upperside of the male of the Malayan Plum Judy, so named probably because of its deep plum-like colour, is deep crimson ; almost maroon, and unmarked. The underside is slightly paler, with a pair of diffused pale purplish post-discal bands and a series of black submarginal spots on the hindwings.

In the much paler female, the forewing has a diffuse white subapical patch, and the transverse lines on the underside are broader and paler than in the male. In both sexes the hindwing is stepped out, giving an appearance of a 'tail'.

In Singapore, the species is relatively widespread, having been found from the offshore islands of Pulau Ubin and Pulau Tekong, as well as many areas within the nature reserves as well as urban parks. However it is not common, and prefers to remain the shady understorey of forested areas, lurking in the undergrowth and at times, keeping still for long periods of time. Females are more often encountered than males. In Singapore, the species has been successfully bred on Shoebutton Ardisia - Ardisia elliptica (Myrsinaceae).

Early Stages of the Malayan Plum Judy (Abisara saturata kausambioides)

Text by Khew SK ; Photos by Khew SK & Sunny Chir ; Early Stages by Chan SC