Bug FAQCibdela janthina
Cibdela janthina · Order: Hymenoptera · Family: Argidae
Cibdela janthina is a small insect with males about 8 mm and females about 9.5 mm long. It has a metallic dark-blue colour and comes from Sumatra, though it has also been introduced to La Réunion. A parasitoid that attacks this species is the wasp Proterops borneoensis.
Source: Wikipedia
How to recognize it
It shines with a metallic dark-blue colour.
Source: Wikipedia
Size
Males are about 8 mm long and females about 9.5 mm long.
Source: Wikipedia
Where it lives
It originates from Sumatra in Southeast Asia and has been introduced to La Réunion.
Source: Wikipedia
What it eats
A known parasitoid of this species is the wasp Proterops borneoensis.
Source: Wikipedia
Where it comes from
Its native range is Sumatra in Southeast Asia.
Source: Wikipedia
More photos
Questions people ask
What does Cibdela janthina look like?
It is a tiny insect, about 8 mm for males and 9.5 mm for females, with a metallic dark-blue colour.
Source: Wikipedia
Same family (Argidae)
Rose SawflyArge ochropusDamages trees, gardens or crops
Large Rose SawflyArge paganaDamages trees, gardens or crops
Bramble SawflyArge cyanocroceaDamages trees, gardens or crops
Azalea Argid SawflyArge similis
Elm Zigzag SawflyAproceros leucopodaDamages trees, gardens or crops
Zenarge turneriZenarge turneriDamages trees, gardens or cropsSources
- Wikipedia: https://en.wikipedia.org/wiki/Cibdela_janthina
Look it up elsewhere: GBIF · iNaturalist · BugGuide · Wikipedia
Text written 2026-10-24 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-23.