Synonyms and other taxonomic changes
Acrosternum hilare, Nezara hilaris
Explanation of Names
hilaris = 'lively, cheerful'
Key to eastern spp. adapted from(1)
body elongate oval; head more elongate, juga
; anterolateral pronotal margin straight or nearly so; beak reaching at least middle coxae ... ... hilaris
body broadly oval; head short, broad, juga slightly longer than tylus; anterolateral pronotal margin strongly arcuate; beak not surpassing middle coxae ... ... pensylvanica
scent gland channel extends more than half-way to edge of metapleuron
(shorter, more rounded in Nezara
scutellum has pale dot in each basal corner; antennomeres 3 & 4 blackish, and color is restricted to apical half of segments; connexivia
usually with conspicuous dark dot on apical margin of each segment; side of pronotum straight or slightly convex in anterior half; second abdominal sternite has pointed medial spine; ventral scent gland pore long and curved
throughout US & adjacent Canada (NS*-FL to BC-CA), ne. Mexico(3)(4)
Woodlands, edges, cultivated land
extremely polyphagous: recorded from 20 plant families(5)
; adults and older nymphs prefer developing seeds and fruit. May be a pest on soybean, cotton, fruit trees (esp. peach), and many vegetables(6)(7)
"Keg-shaped" eggs are attached to the underside of leaves in double rows of twelve or more. One generation per year in North, two in south.
Hatchlings (1st and 2nd instars)
(Our best interpretation of the BugGuide images based upon photos here(8)
the most commonly encountered stink bug in N. Amer.
: scutellum has black (not pale) dot in each basal corner; connexivum
uniformly colored, with no or faint dark dot on apical margin of each segment; pronotal sides slightly concave in anterior half; medial spine of second abdominal sternite rounded (not pointed); ventral scent gland pore short and broad (not long and curved); nymphs vary greatly in appearance according to age