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Common spider species
The majority of spiders cannot harm anyone and it is very uncommon for people to be bitten by them. To avoid any unnecessary encounters, there are a few things that you can do to ensure you keep spiders away from your home.
They are unpleasant to look at and their webs can cause a mess if they infest your home or business. From Common House Spiders to Tarantulas, we can give you more information about these creatures to help you get over your fears.
There are around 35,000 types of spiders can be found throughout the world, and some of them are often found at home or business premises in Indonesia. Learn more about the appearance, life cycle and habits of the common types of spiders in Indonesia.
- Common house spider
- Harvestman spider
- Tarantula
- Wolf spider
- Yellow sac spider
Common house spider
(Parasteatoda tepidariorum)
Appearance
- Adult – body length excluding legs 6 mm – 9,5 mm.
- Yellow brown body with faint markings. Abdomen pale gray brown with short hairs.
Life cycle
- The egg sac produced by the female is spherical, covered with a layer of silk and placed within the web structure.
- The male will mate several times with the female before dying.
- Adults may live for several years.
Habits
- Found in buildings, sheds and walls.
- This spider produces a sheet web.
Harvestman spider
(Phalangium opilio)
Appearance
- Adult – body length excluding legs 6 mm – 9,5 mm.
- Yellow brown body with faint markings. Abdomen pale gray brown with short hairs.
Life cycle
- The egg sac produced by the female is spherical, covered with a layer of silk and placed within the web structure.
- The male will mate several times with the female before dying.
- Adults may live for several years.
Habits
- Found in buildings, sheds and walls.
- This spider produces a sheet web.
Tarantulas
(Aphonopelma spp.)
Appearance
- Adult body length excluding legs is 1–5" long.
- Most tarantulas have black or brown hairy bodies and legs but some species exhibit striking colours.
Life cycle
- Mating season is in autumn. Incubation of the young takes 6-9 weeks, with each female producing 500-1000 eggs into a silken cocoon. The young leave their burrow after 2-3 weeks.
- Life span 25-40 years.
Habits
- Tarantulas prefer to live in dry, well-drained soil where they dig a burrow which is lined with silk webbing.
- Some genera of tarantulas hunt prey primarily in trees.
Wolf spider
(Trochosa ruricola)
Appearance
- Adult female: 5/16"; male - 1/4". They have eight eyes that are in three rows and are generally brown to gray in color.
- Wolf spiders can have hairs.
Life cycle
- Wolf spider mothers carry their egg sacs around with them attached to spinnerets under the abdomen.
- When the young spiderlings hatch, they climb onto their mother's back where they live for the first few weeks of life.
Habits
- They hunt at night but spend the day hidden amongst moss and decaying matter.
- They live in a shallow burrow, with an open and unadorned entrance.
Yellow sac spider
(Cheiracanthium spp.)
Appearance
- Pale in colour, abdomen can be yellow or beige with a faint dark stripe running lengthwise.
- 1/4 to 3/8 inches long.
- 4 pairs of legs, the 1st pair longer than the 4th.
- Eight similarly-sized dark eyes arranged in two horizontal rows.
Lifecycle
- A female produces around 5 egg sacs each with 30 to 48 eggs. The female may produce several egg masses during her lifetime.
- Approximately 30 percent of adult males get eaten by females after mating.
Habits
- Feeding — usually small insects.
- Location — they build a silken tube or sac (instead of a web) in a protected area which is used as their daytime retreat.
- Visibility — they emerge at night to look for food. They drop to the floor to seek cover when disturbed.
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