Nature Blogger logoNature Blogger

Dioon merolae

Specific habitat details beyond its native range are not provided.·Arborescent·Insect pollination (obligatory mutualism with Pharaxonotha occidentalis)

Dioon merolae is a species of cycad native to the Mexican states of Chiapas and Oaxaca. This cycad is characterized by its obligatory mutualistic relationship with the beetle Pharaxonotha occidentalis, which plays a vital role in its pollination.

Key Facts

  • Native to Chiapas and Oaxaca, Mexico.
  • Found in the municipalities of Cintalapa and Villaflores (Chiapas) and the Sierra Juárez (Oaxaca).
  • Engages in an obligatory mutualistic relationship with the beetle Pharaxonotha occidentalis.
  • The beetle pollinates Dioon merolae while living and breeding in its male cones.
  • Pharaxonotha occidentalis consumes pollen and cone tissues of Dioon merolae.
Dioon merolae
Scientific Name
Dioon merolae
Family
Zamiaceae
Native Range

Chiapas, Mexico, Oaxaca, Mexico

About Dioon merolae

Dioon merolae is a species of cycad found in its natural habitat in the Mexican states of Chiapas and Oaxaca. This particular cycad is notable for its highly specialized reproductive strategy, involving an obligatory mutualistic relationship with a specific insect species.

Mutualism with Pharaxonotha occidentalis

The survival and reproduction of Dioon merolae are intrinsically linked to the beetle Pharaxonotha occidentalis. This beetle lives and reproduces within the male cones of the cycad. While feeding on the pollen and tissues of the male cone, the beetle inadvertently collects pollen. As it moves to female cones, it facilitates pollination, a crucial step in the cycad's reproductive cycle. This relationship is essential for both the beetle, which receives sustenance and a breeding ground, and for the cycad, which relies on the beetle for pollination.

Source: Wikipedia ↗

Frequently Asked Questions

Where is Dioon merolae found naturally?

Dioon merolae is indigenous to the Mexican states of Chiapas and Oaxaca. It has been documented in the municipalities of Cintalapa and Villaflores in Chiapas, as well as in the Sierra Juárez region of Oaxaca.

What is the relationship between Dioon merolae and Pharaxonotha occidentalis?

Dioon merolae has an obligatory mutualistic relationship with the beetle Pharaxonotha occidentalis. This means both species are dependent on each other for survival.

How does Pharaxonotha occidentalis help Dioon merolae reproduce?

The beetle Pharaxonotha occidentalis acts as a pollinating vector for Dioon merolae. It lives and breeds within the male cones, consuming pollen and cone tissues, and in the process, transfers pollen to female cones.