Bug FAQChloronia mexicana
Chloronia mexicana · Order: Megaloptera · Family: Corydalidae
Chloronia mexicana is a large yellow dobsonfly with dark markings and darkened tips on its antennae; its wings have few basal spots and many dark crossveins. Males have forewings 28 to 37 mm long and females 30 to 45 mm long, and the species lives in warm, semi-warm areas with moderate to high rainfall across several Mexican river basins. It is native to Mexico, Costa Rica, Honduras and Guatemala.
Source: Wikipedia
How to recognize it
The insect is large, yellow with dark markings, and can be recognized by darkened tips on most of its antennae and the lack of wing spots except a few near the base, plus many dark crossveins.
Source: Wikipedia
Size
Male forewings measure 28 to 37 mm, while female forewings are 30 to 45 mm long.
Source: Wikipedia
Where it lives
It occurs in eight Mexican hydro-ecoregions, including the Upper Usumacinta, Grijalva-Usumacinta, Coatzacoalcos, Papaloapan, Rio Balsas, Panuco and Sierra Madre del Sur areas.
Source: Wikipedia
Where it comes from
Chloronia mexicana is found in Mexico, Costa Rica, Honduras and Guatemala.
Source: Wikipedia
Lookalikes
It is quite distinctive compared with other Chloronia species, making misidentification unlikely.
Source: Wikipedia
More photos
Questions people ask
Where is Chloronia mexicana found?
It occurs in Mexico, Costa Rica, Honduras and Guatemala.
Source: Wikipedia
How can I identify Chloronia mexicana?
Look for a large yellow insect with dark markings, antennae darkened at the tips, few basal wing spots and many dark crossveins.
Source: Wikipedia
What size are the wings?
Males have forewings 28 to 37 mm long; females have forewings 30 to 45 mm long.
Source: Wikipedia
What habitats does it prefer?
Warm or semi-warm areas with moderate to high rainfall, especially in several Mexican river basins.
Source: Wikipedia
Same family (Corydalidae)
Sources
- Wikipedia: https://en.wikipedia.org/wiki/Chloronia_mexicana
Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia
Text written 2026-10-24 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-23.