Get Rid of Cockroaches
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Common Cockroach Species
There are over 4,000 different species of cockroaches, which only about 40 species are considered pests while others are beneficial in their natural environment.
In Malaysia, German cockroach and American cockroach are commonly found. Check out the differences between these cockroaches below:
Knowing more about cockroach life cycle and habits can help us identify the most effective cockroach control methods. You can learn more in details about the types of cockroaches in Malaysia here:
German Cockroach
(Blatella germanica)
Habits
- Major pest in restaurants, hotels and apartments.
- Prefers dark and secluded areas to harbourage such as under the cupboard and behind a refrigerator.
Appearance and life cycle of the German Cockroach
Appearance
- Adult is 13 – 16 mm in length.
- Pronotum (head shield) has 2 dark longitude stripes.
- Male is light yellowish brown in colour with longer tongue shaped body.
- Female is darker in colour with plump abdomen.
Lifecycle
- Female produces about 5 ootheca (egg case), each ootheca contains 30 – 40 eggs.
- Nymphs take 30 – 60 days to mature into adults.
- Adult life cycle is more than 100 days.
American Cockroach
(Periplaneta americana)
Habits
- Prefers warm and humid environment such as drains and sewers.
Appearance and life cycle of the American Cockroach
Appearance
- Adult is 34 – 53 mm in length, one of the largest pest cockroaches.
- Shining red to chocolate brown in colour.
Lifecycle
- Female produces 10 – 90 oothecae (egg case), each oothecae contain 14 – 28 eggs.
- Nymphs take 150 days to develop into adults.
- Adult life cycle is 100 days to 3 years.
Brown Banded Cockroach
(Supella longipalpa)
Habits
- Prefers warm and humid environment such as drains and sewers.
Appearance and life cycle of the Brown Banded Cockroach
Appearance
- Adult is 10–14 mm in length, one of the smallest pest cockroaches.
- Yellow-brown stripes across the abdomen.
Lifecycle
- Female produces up to 13 oothecae (egg case), each oothecae contain 16 eggs.
- Nymphs take 55 days to develop into adults.
- In ideal temperature conditions (30°c), adult lives 90 – 115 days.
Australian Cockroach
(Periplaneta australasiae)
Habits
- Commonly found in homes and around perimeter of buildings.
Appearance and life cycle of the Australian Cockroach
Appearance
- Adult is 27 – 33 mm in length.
- Brown in colour with lateral pale yellow stripe on its forewing.
Lifecycle
- Female produces up to 12 oothecae (egg case), each oothecae contain 24 eggs.
- Nymphs take 200 days to develop into adults.
- Adult lives 120 – 180 days.