Mexican Jumping Bean Moth (Cydia saltitans)
The Mexican jumping bean moth is a member of the family of tortrix moths. The larvae of these moths are famous for living inside seeds of certain species, which “jump” on being kept on the palm of a human, famously referred to as “Mexican jumping beans”.
content.eol.org
Scientific Classification
- Family: Tortricidae
- Genus: Cydia
- Scientific Name: Cydia saltitans
Description and Identification
Caterpillar
The larva can be found inside the carpels of seeds of plants like Sebastianiapavoniana or Sapiumbiloculare. It will hollow out the seed and attach itself to the interior with silk threads.
When the bean receives heat, such as from the palm of a human hand, it begins to move around, causing the seed to “jump”.
idtools.org
Pupa
The larvae only begin to pupate when it receives sufficient moisture. During this stage, it will make a hole for the adult moth to emerge from, spinning a silk pathway to the exit.
upload.wikimedia.org
Adult Moth
Sexual Dimorphism: Present but not prominent.
Color and Appearance
The moths are a silver and graycolor. It lacks any sort of mouthpiece.
When the wings are opened and closed, they are gray.
Average wingspan: 20mm
Flight pattern: Erratic
Season: Year-round
todayifoundout.com
Egg
The adult moth lays an egg on top of a seed.
Quick Facts
| Distribution | Mexico |
| Habitat | Prefers shade or areas with low heat |
| Lifespan of Adults | A few days |
| Host Plants | Spurge trees |
| Adult Diet | Does not feed |
Did You Know
- The Mexican jumping bean in which the larvae reside is often collected as a novelty item.
idtools.org
static.wikia.nocookie.net
Scientific Classification
- Family: Tortricidae
- Genus: Cydia
- Scientific Name: Cydia saltitans
