Cocoa moth vs Polar bear
Ephestia elutella compared with Ursus maritimus
Key Differences
- Cocoa moth is Least Concern while Polar bear is Vulnerable.
Taxonomic Classification
| Rank | Cocoa moth | Polar bear |
|---|---|---|
| Kingdom same | Animalia (動物) | Animalia (動物) |
| Phylum | Arthropoda (節足動物) | Chordata (脊索動物) |
| Class | Insecta (昆虫) | Mammalia (哺乳類) |
| Order | Lepidoptera (チョウ目) | Carnivora (ネコ目) |
| Family | Pyralidae | Ursidae (Bears) |
| Genus | Ephestia | Ursus (Bears) |
| Species | Ephestia elutella | Ursus maritimus |
Evolutionary Relationship
Cocoa moth and Polar bear share a common ancestor at the Kingdom level: Animalia. (動物)
Conservation Status
Cocoa moth
LC — Least ConcernPolar bear
VU — VulnerablePopulation: ~26.0K
Trend: Decreasing ↓
Physical Characteristics
| Attribute | Cocoa moth | Polar bear |
|---|---|---|
| Diet | — | Carnivore |
| Average Lifespan | — | 25 years |
| Average Length | — | 2.4 m |
| Average Weight | — | 450.0 kg |
Habitat & Geographic Range
Cocoa moth
Found across multiple habitat types including tropical and subtropical dry broadleaf forests, deserts and xeric shrublands, and Mediterranean forests and woodlands spanning the Afrotropic and Palearctic realms.
Widely distributed across Africa (Cabo Verde), Asia (4 countries), Europe (30 countries), and North America (Canada, United States).
Polar bear
Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.
Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.
Cocoa moth
The cocoa moth (Ephestia elutella) is a small moth in the family Pyralidae with a wingspan of 14–22 millimetres, cosmopolitan in distribution as a stored-product pest. The species is native to Europe but has spread globally through trade in stored commodities, particularly cocoa beans (from which its common name derives), dried fruits, tobacco, grain, nuts, and confectionery. Adults are greyish-brown with subtle patterning on the forewings; they are short-lived and do not feed as adults. Females lay eggs directly in or near food material; larvae are creamy-white with dark head capsules and spin silken webbing through infested commodities as they feed, causing significant post-harvest economic losses. Like other pyralid stored-product moths, E. elutella is a major pest of food processing and warehousing facilities worldwide, thriving in warm, dry storage conditions with high carbohydrate content. It has been recorded from at least 30 European countries and is present on all inhabited continents. Control relies on temperature treatment, pheromone-baited monitoring traps, and chemical insecticides, though resistance to some compounds has been reported. The species is classified as Least Concern by the IUCN, reflecting its global distribution and thriving populations in human-modified environments. Its economic importance has made it the subject of extensive research into stored-product pest biology, chemical ecology, and integrated pest management strategies.
Polar bear
地球上で最大の陸上肉食動物であるホッキョクグマは700kgを超えることがあり、カナダからロシアまでの北極海氷域全体に分布する。ワモンアザラシとヒゲアザラシを狩るために海氷に依存する高度に特化した海洋哺乳類である。広大な距離を泳ぐことができる優れた泳者でもある。脆弱種に指定されており、気候変動による急激な北極海氷の消失で個体群が深刻な圧力を受けている。
Related Comparisons
Nature FYI Family
Explore more of the natural world across our sister sites.
Part of the Nature FYI family — FYIPedia