// Workers AI · dad joke modeWhat did Astaena sigma say to its date? You sigma-nify someone special.
| Astaena sigma | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Clade: | Pancrustacea |
| Class: | Insecta |
| Order: | Coleoptera |
| Suborder: | Polyphaga |
| Infraorder: | Scarabaeiformia |
| Family: | Scarabaeidae |
| Genus: | Astaena |
| Species: | A. sigma |
| Binomial name | |
| Astaena sigma Lago, 2021 | |
Astaena sigma is a species of beetle of the family Scarabaeidae.[1] It is found in Costa Rica and Panama.[2][3]
Description
[edit]Adults reach a length of about 7-8.5 mm. They are reddish brown, with the head and legs moderately shiny, the pygidium and abdomen with shiny and dull areas and the pronotum, elytra, and thoracic venter dull. The dorsum is weakly opalescent, and the pronotum and elytra are pruinose.[3]
Etymology
[edit]The species name is derived from Greek Sigma (the letter S) and refers to the S-shaped parameres of the species.[3]
References
[edit]- ↑ BioLib
- ↑ Schoolmeesters, P. (2025). "Astaena sigma at Catalogue of Life". World Scarabaeidae Database (version 2025-10-07). In O. Bánki, Y. Roskov, M. Döring, G. Ower, D. R. Hernández Robles, C. A. Plata Corredor, T. Stjernegaard Jeppesen, A. Örn, T. Pape, D. Hobern, S. Garnett, H. Little, R. E. DeWalt, J. Miller, T. Orrell, & R. Aalbu, Catalogue of Life (2025-10-10 XR). Amsterdam, Netherlands: Catalogue of Life Foundation. Retrieved December 12, 2025.
- 1 2 3 Lago, P. K. (2021). "A review of Central American Astaena (Coleoptera: Scarabaeidae: Melolonthinae: Sericini), with descriptions of new species". Transactions of the American Entomological Society. 147 (2): 209–471. Retrieved December 12, 2025.