Black Bent vs chrysanthemum aphid

Agrostis gigantea compared with Macrosiphoniella sanborni

Key Differences

  • Black Bent is Least Concern while chrysanthemum aphid is Not Evaluated.

Taxonomic Classification

Rank Black Bent chrysanthemum aphid
Kingdom Plantae (Plants) Animalia (Animals)
Phylum Magnoliophyta (Flowering Plants) Arthropoda (Arthropods)
Class Liliopsida (Monocots) Insecta (Insects)
Order Poales (Grasses) Hemiptera (Hemiptera)
Family Poaceae (Grass Family) Aphididae
Genus Agrostis Macrosiphoniella
Species Agrostis gigantea Macrosiphoniella sanborni

Conservation Status

Black Bent

LC — Least Concern

chrysanthemum aphid

NE — Not Evaluated

Physical Characteristics

Attribute Black Bent chrysanthemum aphid
Diet
Average Lifespan
Average Length
Average Weight

Habitat & Geographic Range

Black Bent

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Asia (Japan), Europe (11 countries), North America (4 countries), Oceania and the Pacific (Australia), and South America (5 countries).

chrysanthemum aphid

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Widely distributed across Asia (Cyprus, Israel, Taiwan), Europe (31 countries), and North America (United States).

Black Bent

The Black Bent (Agrostis gigantea) is a species in the genus Agrostis. It is currently classified as Least Concern on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

chrysanthemum aphid

The chrysanthemum aphid (Macrosiphoniella sanborni) is a soft-bodied insect in the family Aphididae, a specialist pest of cultivated and wild Chrysanthemum species and related members of the family Asteraceae. It is a dark brown to reddish-black aphid, distinguishing it from many green or pale aphids, and infests the shoots, leaves, and flower buds of its host plants. Like other aphids, Macrosiphoniella sanborni feeds by inserting its stylet mouthparts into plant tissue to extract phloem sap, depriving the host of carbohydrates and amino acids. Heavy infestations cause stunting, leaf curl, distortion, and reduction in flower quality and yield, making it a significant pest in the commercial chrysanthemum industry worldwide. The species can reproduce parthenogenetically — females producing live young without fertilization — and populations can build rapidly under warm greenhouse conditions. Chrysanthemum aphids excrete honeydew, which supports the growth of black sooty mold on plant surfaces, further reducing photosynthesis and ornamental value. They may also transmit plant viruses during feeding. Natural predators including ladybirds, lacewings, and parasitoid wasps provide biological control, though chemical aphicides are frequently used in commercial cultivation.

Nature FYI Family

Explore more of the natural world across our sister sites.

Part of the Nature FYI family — FYIPedia