Ag. Wheeler, SLATEROBIUS INSIGNIS (HETEROPTERA, LYGAEIDAE) - ASSOCIATION WITH GRANITE LEDGES AND OUTCROPS IN MINNESOTA, Great Lakes entomologist, 28(3-4), 1995, pp. 213-216
Adults and late-instar nymphs of the wide-ranging myrmecomorphic lygae
id Slaterobius insignis were collected in northern Minnesota from crac
ks of granite outcrops and ledges, a habitat differing somewhat from t
hat reported elsewhere. At two of the four sites, S. insignis was obse
rved in plant-and litter-filled cracks with nymphs of the lygaeid Trap
ezonotus arenarius. All adults of the polymorphic S. insignis observed
on granite were brachypters that belonged to the dark color morph of
the species. Individuals occurred on rock surfaces with a black ant, F
ormica subsericea, which they resembled in appearance and behavior.