Flower Crab (Misumena)

Discover the fascinating world of the flower crab spider! These unique creatures belong to a big family of spiders, with 42 members recorded by the World Spider Catalog in 2008. They love hanging out on blossoms, and that’s why we call them “flower” crab spiders.

Scientific Classification

• Family: Thomisidae
• Genus: Misumena

List of Spiders Belonging to the Genus

Misumena adelae	Misumena alpha	Misumena amabilis
Misumena annapurna	Misumena arrogans	Misumena atrocincta
Misumena beta	Misumena bicolor	Misumena bipunctata
Misumena citreoides	Misumena conferta	Misumena fasciata
Misumena fidelis	Misumena frenata	Misumena ganpatii
Misumena greenae	Misumena grubei	Misumena indra
Misumena innotata	Misumena lorentzi	Misumena luteovariata
Misumena maputiyana	Misumena maronica	Misumena mridulai
Misumena nana	Misumena nigripes	Misumena nigromaculata
Misumena oblonga	Misumena pallescens	Misumena peninsulana
Misumena picta	Misumena platimanu	Misumena quadrivulvata
Misumena rubripes	Misumena spinifera	Misumena spinigaster
Misumena tapyasuka	Misumena terrosa	Misumena variegata
Misumena vatia	Misumena vazquezae	Misumena viridans

Physical Description and Identification

Adults

• Size: Usually females are 0.29 -0.35 inches (0.7 – 0.8 cm) and males are smaller sizing 0.11 – 0.15 inches (0.27-0.38 cm).
• Color: The typical coloration seen in species of this genus includes yellow, pink, white, and brown.
• Other Characteristic Features: Some species like the goldenrod crab spider have a broad and flat body with a crab-like appearance.

Eggs

Around 45 eggs are laid inside a wooly egg sac, kept hidden under leafy shelters.

Spiderlings

Young spiders grow up helping their mother build new nests while being fed by her. Upon maturity, they start migrating and looking for mates.

The Web

They do not spin webs but rely on their camouflaging ability to catch prey.

Are Flower Crab Spiders Venomous?

Yes, Flower Crab Spiders are venomous. They use their venom to immobilize their prey.

Can Flower Crab Spiders Bite?

Yes, Flower Crab Spiders can bite, but it’s rare for them to bite humans. When they do, it’s typically mild and not harmful.

Ecological Importance and Behavior of Flower Crab Spider

Flower crab spiders play a significant role in the ecosystem, contributing to the control of insect populations. Their unique hunting technique, involving camouflage and patience, demonstrates a fascinating aspect of arachnid behavior. They remain motionless, waiting for an unsuspecting insect to come close enough before striking with impressive speed and precision.

Natural Predators: Despite their prowess as hunters, flower crab spiders are not without their own set of challenges. They face threats from larger spiders, birds, and lizards, showcasing the delicate balance of nature’s food web.

Prey-Predator Dynamics: The relationship between flower crab spiders and their prey, as well as their predators, is a vivid example of the complex web of life. They help maintain a healthy balance in their habitat, controlling insect populations while providing sustenance for their predators.

Relationship with Humans: Flower crab spiders, with their affinity for flowers, often find themselves in close proximity to humans, especially in gardens and floral environments. Understanding their behavior and ecological importance can lead to a greater appreciation of these unique spiders, promoting coexistence and minimizing unwarranted fear.

Quick Facts

Distribution	South America, Asia, and Africa
Habitat	Flowers, leaves
Diet	Small insects
Predators	Larger spiders, birds, and lizards

Did You know

• The largest species of this genus is the goldenrod crab spider, which has the unique ability to change its color from white to yellow to complement the flower it sits on.

In conclusion, the flower crab spider is a captivating species with a unique set of characteristics and behaviors.