Explanation of Names
anchorago refers to the anchor-like dorsal pattern
Both markings and color are highly variable, but generally includes a variably-shaped dark central band running from the head toward the rear of the insect. The pale area on the right and left sides of the pronotum contain one to three dark spots (usually two). The dark color is dark blue to black. The light color may be white, pink, yellow, orange, or red.
profemora with strong tooth (unlike in Zicrona
e. US to NM (NM-FL-ON-IA) to Panama(2)(3)(4)
on a wide variety of herbaceous plants(1)
Adults feed on the larvae of beetles, butterflies, and moths, incl. many pest spp. (notably Mexican Bean Beetle and Japanese Beetle)(1)
Eggs typically take seven days to hatch; nymphal phase (5 instars) takes 25-35 days(1)
note: scutellum is much narrower
- Range: sw. US to TX & KS
Zicrona americana Thomas
Neck RW. 1988. Prey preferences of a predaceous stink bug, Stiretrus anchorago (F.) (Hemiptera, Pentatomidae). Texas Journal of Science 40(3): 354-356.
Richman DB. 1977. Predation on the alfalfa weevil, Hypera postica (Gyllenhal), by Stiretrus anchorago (F.) (Hemiptera: Pentatomidae). Florida Entomologist 60: 192.
Richman DB, Whitcomb WH. 1978. Comparative life cycles of four species of predatory stink bugs. Florida Entomologist 61: 113-119.
Waddill V. Shepard M. 1974. Biology of a predaceous stink bug, Stiretrus anchorago, (Hemiptera: Pentatomidae). Florida Entomologist 57: 249-253.
Waddill V. 1975. A comparison of predation by the pentatomids, Podisus maculiventris (Say) and Stiretrus anchorago (F.), on the Mexican bean beetle, Epilachna varivestis Mulsant. Annals of the Entomological Society of America 68: 1023-27.