Banana Stem Weevil

Banana Stem Weevil

Odoiporus longicollis

Daily sighting probability ~10% · With luck
at Colombo [Sri Jayawardenepura Kotte]

In 3 days ~30% in a week ~50%

14 Verified sightings at Colombo [Sri Jayawardenepura Kotte]
September Best month

About the Banana Stem Weevil

Odoiporus longicollis, commonly known as banana stem weevil, pseudostem weevil, or banana pseudostem borer, is a species of weevil found in South Asia and South East Asia. It is widely distributed throughout Bhutan, Cambodia, China, Hong Kong, India, Andaman and Nicobar Islands, Indonesia, Japan, Laos, Malaysia, Myanmar, Nepal, Pakistan, Philippines, Singapore, Sri Lanka, Taiwan, Thailand and Vietnam.

This species has a body length of about 23 to 39 mm. Adults are black, but some reddish individuals also observed. This color variation is due to a phenomenon of non-sex limited variation and of sympatry. First instar larvae fleshy, yellowish white with dark brown head and apodous. Pupa is exarate and pale yellow in color.

Usually a nocturnal monophagous species of weevil, they have seen to fly during daytime only with rain or on cloudy days. The pre-oviposition period is about 15 to 30 days and the adults mate throughout the day and night. After a single mating, an adult female lays about nine eggs at the rate of one egg per day. Eggs laid by gravid females are yellowish-white in color and elliptical-shaped. Eggs are laid in the outer epidermal layer of... Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Colombo [Sri Jayawardenepura Kotte] 🇱🇰 Sri Lanka
~10%
2 Bandung 🇮🇩 Indonesia
~10%
3 Bengaluru 🇮🇳 India
<5%
4 Taipei 🇹🇼 Taiwan
<5%

Before you go

What are the chances of seeing a Banana Stem Weevil in Colombo [Sri Jayawardenepura Kotte]?

With luck

About 10% of wildlife watchers report a Banana Stem Weevil sighting in Colombo [Sri Jayawardenepura Kotte] on a given day, based on 14 verified sightings from GBIF citizen-science data. It is the 89th most-seen of the 182 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 50%, if each day is a fresh chance.

When is the best time to see a Banana Stem Weevil in Colombo [Sri Jayawardenepura Kotte]?

September and December

In those months about 20% of wildlife watchers report a Banana Stem Weevil in Colombo [Sri Jayawardenepura Kotte] on a given day, against under 5% in January–February and June–July, the lowest months.

Is Colombo [Sri Jayawardenepura Kotte] the best place to see a Banana Stem Weevil?

Yes

Of the 4 cities where we can rate Banana Stem Weevil sightings, Colombo [Sri Jayawardenepura Kotte] has the highest daily chance: about 10%. Next come Bandung (Indonesia, about 10%) and Bengaluru (India, under 5%).

Where does the Banana Stem Weevil sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Banana Stem Weevil is recorded against all the insects logged in Colombo [Sri Jayawardenepura Kotte] (14 verified sightings), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.

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