Other Common Names
White-margined Burrowing Bug
Explanation of Names
(Palisot de Beauvois
cinctus = 'girdled' (refers to the white margin around the body)
distinctive: white dorsal margins unique among our cydnids(2)
; the only member of its family in our area that climbs vegetation and frequents flowers
key to two sspp. in McPherson (1982)(1)
; corium marked with white at apex of R in S. c. albonotatus
, not marked in S. c. cinctus
e. N. Amer. to BC - Map (3)
S. c. albonotatus - northern transcontinental south to PA & n.CA;
S. c. cinctus - e. US (to NM) & ON;
S. c. texensis
Fields, woodlands, lawns and gardens. Adults common on lawn weeds such as Henbit and Purple Dead-nettle, as well as on leaves and flowers of many species of herbaceous plants.
mostly: Mar-Sept (BG data)
developing seeds of Lamiaceae(5)
; adults on a wide variety of plants(1)
Overwinters as an adult beneath leaf litter. Eggs deposited in holes in the soil in spring.
Adult females care for the young and provision nest with seeds of the mint family. Maternal care discussed here
not harmful to ornamentals, despite great abundance (M. Merchant
Sites, R.W. and J.E. McPherson. 1982. Life history and laboratory rearing of Sehirus cinctus cinctus (Hemiptera: Cydnidae), with descriptions of immature stages. Annals of the Entomological Society of America 75(2): 210-215.