Common blowfly vs Compact Thread-leaf Century Plant

Calliphora grahami compared with Agave microceps

Taxonomic Classification

Rank	Common blowfly	Compact Thread-leaf Century Plant
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Arthropoda (Arthropods)	Magnoliophyta (Flowering Plants)
Class	Insecta (Insects)	Liliopsida (Monocots)
Order	Diptera (Diptera)	Asparagales (Asparagales)
Family	Calliphoridae	Asparagaceae
Genus	Calliphora	Agave
Species	Calliphora grahami	Agave microceps

Conservation Status

Common blowfly

LC — Least Concern

Compact Thread-leaf Century Plant

LC — Least Concern

Physical Characteristics

Attribute	Common blowfly	Compact Thread-leaf Century Plant
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common blowfly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found in United States.

Compact Thread-leaf Century Plant

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Common blowfly

The common blowfly (<em>Calliphora grahami</em>) is a fly species found across the United States, typically inhabiting all terrestrial and freshwater environments. As a member of the family Calliphoridae, this species often plays an important ecological role as a decomposer and pollinator across its range. The common blowfly is classified as Least Concern on the IUCN Red List, indicating a stable population with no immediate threat of extinction. Its diet includes decaying organic matter, making it a significant contributor to nutrient cycling in its native habitats. The species is commonly associated with a wide variety of terrestrial ecosystems, from open grasslands to forested areas, and is often found near human settlements. Biological traits of this species remain poorly documented in the scientific literature.

Compact Thread-leaf Century Plant

<em>Agave microceps</em>, the compact thread-leaf century plant, is a perennial succulent in the family Asparagaceae native to Mexico, representing one of the smaller members of the ecologically and culturally significant agave genus. Agaves are iconic succulents of arid and semi-arid regions characterised by a rosette of thick, fibrous leaves typically edged with teeth and terminating in a sharp spine. <em>Agave microceps</em> typically forms compact, densely-leaved rosettes with notably narrow, thread-margined leaves, distinguishing it from larger agave species. It inhabits rocky slopes, dry grasslands, and scrublands in its native Mexican range, adapted to well-drained soils and periods of seasonal drought. Like all agaves, it is monocarpic, flowering once after many years of vegetative growth before dying, producing a tall flower spike that provides food resources for bats, hummingbirds, and insects. The species is classified as Least Concern by the IUCN, indicating a stable population without critical current threats, though many agave species face pressure from illegal collection for the horticultural trade and habitat conversion. Agaves play important roles in native ecosystems as food sources for specialist pollinators and as habitat elements on rocky hillsides. Biological traits including average lifespan in the wild, precise rosette dimensions, and population data remain poorly documented for this species compared to more commercially important agaves.