Peucetia viridans

Distinguished from other lynx spiders by its larger size and bright green coloration. May be confused with Peucetia longipalpis in the southwestern United States; P. longipalpis tends to have a shorter, fatter, more domed abdomen with less pronounced dorsal markings. Reliable separation of these species requires examination of mature sexual organs. The combination of green body, red interocular patch, chevron abdominal markings, and long black leg spines is diagnostic for P. viridans in most of its range.

Primarily associated with herbaceous vegetation and low shrubs in open habitats. Frequently found on flowering plants including agricultural crops, where it ambushes pollinators and herbivorous insects. Documented on prickly pear cacti (Opuntia spp.), Croton ciliatoglandulifer, and Cnidoscolus aconitifolius. Occupies fields, forest edges, and arid habitats. Females construct nursery webs around egg sacs, typically suspended from vegetation.

Southern United States (from Maryland to Florida, west to California), Mexico, Central America, West Indies (especially Jamaica), and Venezuela. Distribution records include Cuba, Panama, and broader Caribbean region.

Active year-round in southern parts of range; peak activity during warmer months. Females construct egg sacs primarily in September and October. Spiderlings emerge after approximately four weeks (two weeks for eggs to hatch, two weeks until functional spiderlings exit sac).

Active predator of insects and other arthropods. Documented prey includes bees, wasps, caterpillars, scarab beetles, and other spiders including conspecifics. Significant agricultural prey: bollworm moth (Helicoverpa zea), cotton leafworm moth (Alabama agrillacea), cabbage looper moth (Trichoplusia ni). Also preys on beneficial insects including honey bees.

• Croton ciliatoglandulifer - habitatSpecific plant association documented in Mexico
• Cnidoscolus aconitifolius - habitatPopulation structure and habitat use studied on this plant
• Opuntia spp. - habitatFrequently observed on prickly pear cacti, using flowers for prey ambush and shade for shelter

Eight instars from spiderling to maturity. Females produce 1–6 egg sacs, each containing 25–600 bright orange eggs. Egg sacs approximately 2 cm in diameter, bowl-shaped, guarded by female hanging upside down. Eggs hatch after approximately two weeks; spiderlings remain in sac another two weeks before emerging. Females may produce up to six egg sacs in captivity. Spiderlings add silk to maternal nursery web.

Diurnal active hunter that does not build prey-capture webs. Pursues prey by running and jumping with agility exceeded only by salticid spiders. Typically hunts by sitting motionless on vegetation to ambush passing insects. Females exhibit extended maternal care: guard egg sacs vigorously, attacking approaching threats; known to spit venom from chelicerae as defense, sometimes reaching distances of approximately 30 cm. Reduced foraging activity during guarding period. Males perform courtship with leg waving and palp drumming, using enlarged forelegs in display; may engage in mate guarding.

Generalist predator in agricultural and natural ecosystems. Contributes to biological control of lepidopteran crop pests in cotton and other crops. May exert significant predation pressure on both pest and beneficial insect populations, creating complex trade-offs in integrated pest management.

Bites to humans are rare but painful, causing localized edema (documented cases: 25 mm swelling lasting two days; 10–20 cm swelling in another patient). Not deadly to humans. Valued in agricultural pest management for predation on economically important moth pests. Also poses risk to beneficial pollinators including honey bees.

• Peucetia longipalpisOverlaps in southwestern U.S.; distinguished by shorter, fatter, more domed abdomen with less pronounced dorsal markings; requires examination of genitalia for reliable identification
• Peucetia viridanaSimilar name and appearance; restricted to India and Myanmar, no geographic overlap
• Peucetia viridisSimilar name; occurs in Spain and Africa, no geographic overlap

• spider
• lynx spider
• active hunter
• diurnal
• maternal care
• agricultural pest control
• venom spitting
• color change

• BugGuide
• Wikipedia
• GBIF taxonomy match
• iNaturalist taxon
• NCBI Taxonomy
• Catalogue of Life
• Bug Eric: Green Lynx Spider
• Assassin ate | Beetles In The Bush
• The Mating Behavior of Peucetia viridans (Araneida: Oxyopidae)
• Distribution ofPeucetia viridans(Araneae: Oxyopidae) onCroton ciliatoglandulifer
• Costs and benefits of maternal behaviour in the green lynx spider (Oxyopidae, Peucetia viridans)
• POPULATION STRUCTURE, SEASONALITY, AND HABITAT USE BY THE GREEN LYNX SPIDER PEUCETIA VIRIDANS (OXYOPIDAE) INHABITING CNIDOSCOLUS ACONITIFOLIUS (EUPHORBIACEAE)
• New observations on prey scarab beetles and host plants of the green lynx spider, Peucetia viridans (Hentz, 1832) (Araneae: Oxyopidae) in Oaxaca, Mexico