Fierce Big-Headed Ant vs Cassava Mealybug Parasitoid

Side-by-side species comparison

Attribute Fierce Big-Headed Ant Cassava Mealybug Parasitoid
Scientific Name Pheidole fervens Anagyrus lopezi
Order Hymenoptera Hymenoptera
Family Formicidae Encyrtidae
Size 1.5-4 mm 1-2 mm
Habitat Grasslands Farmland
Diet Seed Feeders Parasitoids
Regions Southeast Asia, Pacific Islands, tropical Australia Africa, South America (native)
Conservation Least Concern Not Evaluated

Fierce Big-Headed Ant

A widespread tropical ant and minor invasive species with clearly dimorphic workers. Majors have disproportionately large heads used in colony defense. Colonies are aggressive and fast-growing, often dominating disturbed tropical habitats.

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Did You Know?

Despite being one of the most species-rich ant genera with over 1,000 species, Pheidole remains one of the least studied.

Cassava Mealybug Parasitoid

A tiny encyrtid wasp credited with saving Africa's cassava crop from devastating mealybug infestations. It was introduced from South America in the 1980s as a biological control agent.

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Did You Know?

Its release across Africa is considered one of the most successful biological control programs in history, saving millions from famine.