The orchard spider is a special kind of spider called an orb-weaver. It has a long jaw and is found in places like the United States, southern Canada, and parts of Central America. These spiders are pretty neat, and we’ve got some fun things to tell you about them right here!
Size: Like most other orb-weaving spiders, the males are smaller in size than their female counterparts. The male spiders are 3.5mm to 4 mm long, while the females have a length of 5.5 mm to 7.5 mm.
Color: Having a distinct and beautiful coloration, these spiders have a yellowish-green carapace with stripes of brown or black to the sides. The top of its downward-facing abdomen has a silvery color (more intense in males) with dark stripes while the stomach, facing upward can come in shades of red, blue, silver, green, and yellow. Its belly is also marked with a red, orange, or yellow crescent and the legs are of a leafy green hue.
Other Characteristic Features: It has an elongated abdomen, while the legs are long and slender. Like most other spiders, they too have eight eyes arranged in a trapezoid manner.
Eggs
The egg sac made from white and orange silk contains hundreds of eggs and may be of a diameter of approximately 9 mm.
Spiderlings
The spiderlings that remain in the egg sac throughout winter hatch in the next spring. They are also capable of spinning their own webs from the juvenile stage.
The Web
Their webs are circular, positioned in a horizontal manner, with the spider hanging upside down at the center of it, waiting to capture its prey.
Are Orchard Orbweaver Spiders Venomous?
Yes, Orchard Orbweaver spiders have venom. They use it mostly to catch the tiny bugs they eat. It’s not very strong for humans.
Can Orchard Orbweaver Spiders Bite?
They can bite if they’re disturbed. The bite might feel like a tiny pinch, but it’s usually not a big deal for most people.
Ecological Importance and Behavior of Orchard Orbweaver Spider
The orchard spider plays a crucial role in controlling insect populations, helping to maintain a balanced ecosystem. Their diet mainly consists of small moths, flies, and other flying insects, which they skillfully capture in their webs. The spider’s behavior is characterized by its agility and precision as it navigates its web and its unique mating rituals where males, equipped with fangs, are able to defend themselves and thus, enjoy a longer lifespan compared to other spider species.
Natural Predator and Prey-Predator Dynamics: The orchard spider is not without its threats. It falls prey to larger spiders, wasps, and various birds. The spider’s vibrant coloration and complex web serve as its primary defenses, camouflaging it from predators and aiding in the capture of its prey.
Relationship with Humans: Humans and orchard spiders generally have a peaceful coexistence. The spiders are non-aggressive and their presence is often beneficial, as they help control insect populations in gardens and wooded areas. Their stunning appearance and complicated webs also make them a subject of interest for photographers and nature enthusiasts.
Quick Facts
Other names
Orchard Spider, Venusta Orchard Spider
Lifespan
About a year (like most orbweaver spider species)
Distribution
Parts of Southern Canada to Central America
Habitat
Woodlands, low shrubby areas, and small trees
Common predators
Large spiders, wasps, and many other large-sized flying insects, small animals, and birds
Diet
Small moths, flies, leaf insects, flying insects
Did You Know
Leucauge in Greek means having a bright gleam, while Venusta in Latin translates to beautiful, which is apt for this spider because of its multi-colored pattern and attractive appearance.
This species directly attained its nomenclature from Charles Darwin.
The males are not killed by the females since they possess fangs with which they protect themselves from their partner during mating, hence having a longer life span.
In summary, the orchard spider, with its brilliant colors, intricate webs, and unique behaviors, is a remarkable creature that plays an important role in our ecosystems. Its peaceful nature and benefits in controlling insect populations make it a welcome presence in our gardens and forests.
An Orchard Orbweaver has a yellowish-green carapace, long green legs, and an elongated, silvery abdomen with dark stripes. The most distinct feature is its underside, which can be shades of red, yellow, or green and is marked with a bright red, orange, or yellow crescent-shaped marking.
Orchard Orbweaver spiders exhibit size differences between sexes, a common trait in orb-weavers. Adult females are larger, measuring 5.5 mm to 7.5 mm in body length, while the smaller males typically range from 3.5 mm to 4 mm long, not including their leg span.
Yes, Orchard Orbweavers are venomous, but their venom is designed to subdue small insect prey and is not medically significant to humans. A bite is rare and typically results in only minor, localized irritation similar to a mosquito bite, posing no real danger to people or pets.
The most unique characteristic of an Orchard Orbweaver’s web is its horizontal orientation. Unlike the vertical webs of many orb-weavers, this spider builds its circular web parallel to the ground. The spider then hangs upside down from the center, waiting for prey to fall into the trap.
An Orchard Orbweaver spider can bite people, but it is an extremely rare event that only occurs if the spider is provoked or pressed against the skin. They are not aggressive, and their bite is described as a minor pinch with no lasting effects for most individuals.
Orchard Orbweaver spiders are commonly found throughout the eastern United States, southern Canada, and into Central America. They inhabit gardens, woodlands, and shrubby areas where they can build their horizontal webs in low vegetation to effectively catch flying insects like gnats, flies, and mosquitoes.
Orchard Orbweaver spiderlings typically hatch in the spring. The eggs are laid in a silk sac the previous season and overwinter inside this protective casing. Once warmer spring weather arrives, the hundreds of spiderlings emerge and begin to disperse, capable of spinning their own webs almost immediately.
Dr Richard J. Pearce (PhD) on April 4, 2019.
Spider Team
