Scentless-plant-bugs
Guides
Aufeius
scentless plant bugs
Aufeius is a genus of scentless plant bugs in the family Rhopalidae, established by Stål in 1870. The genus contains a single described species, Aufeius impressicollis. Members of this genus lack the scent glands typical of many true bugs. The genus is part of the tribe Harmostini within the subfamily Rhopalinae.
Harmostes
scentless plant bugs
Harmostes is a genus of scentless plant bugs in the family Rhopalidae, established by Burmeister in 1835. The genus comprises approximately 32 species distributed from Canada to southern South America, with seven species documented in the United States. Members of this genus are distinguished by their lack of scent glands, a characteristic that separates them from related true bugs. They serve as prey for solitary wasps in the genus Dryudella, which paralyze them as provisions for their offspring.
Harmostini
Harmostini is a tribe of scentless plant bugs within the family Rhopalidae. It comprises at least two genera—Aufeius and Harmostes—and approximately eight described species. Members are classified in the suborder Heteroptera (true bugs) and are part of the diverse Coreoidea superfamily.
Jadera
soapberry bugs, red-shouldered bugs, golden rain tree bugs
Jadera is a genus of scentless plant bugs in the family Rhopalidae, commonly known as soapberry bugs or red-shouldered bugs. The genus comprises 19 species restricted to the Americas, ranging from southern Canada through Argentina. Members are specialized seed-feeders on plants in the family Sapindaceae, particularly balloon vines (Cardiospermum) and golden rain trees (Koelreuteria). Jadera haematoloma is the most extensively studied species, serving as a classic model for rapid evolutionary adaptation to invasive host plants.
Niesthreini
Niesthreini is a tribe of scentless plant bugs within the family Rhopalidae, established by Chopra in 1967. The tribe comprises at least two genera—Arhyssus and Niesthrea—with approximately 17 described species. Members of this tribe are true bugs (Hemiptera: Heteroptera) belonging to the superfamily Coreoidea. The tribe is well-represented in citizen science observations, with over 9,600 records documented on iNaturalist.