Jadera haematoloma

Red-shouldered Bug

Family: Rhopalidae · Class: Insecta · Order: Hemiptera

The red-shouldered bug (Jadera haematoloma) is a member of the family Rhopalidae within the order Hemiptera. This species belongs to the genus Jadera, which comprises several closely related scentless plant bugs found throughout the Americas. The red-shouldered bug is distinguished by its characteristic coloration pattern, though detailed morphological descriptions are not well documented in current literature. The species is recognized in the U.S. Fish and Wildlife Service taxonomic database, indicating its presence within United States territory (FWS Taxonomic Tree). However, specific distributional data for J. haematoloma remains poorly documented. The genus Jadera is known to occur across various regions of North and Central America, with different species occupying distinct geographic ranges. Without detailed occurrence records, the precise distribution of the red-shouldered bug in California or other western states cannot be definitively established. Habitat requirements for J. haematoloma have not been thoroughly studied or documented. Members of the family Rhopalidae are generally associated with various plant communities, often feeding on seeds, fruits, or plant fluids. Many species in this family show host plant specificity, but the particular plant associations of the red-shouldered bug remain undocumented in available scientific literature. Ecological information for this species is extremely limited. Rhopalidae species typically exhibit hemimetabolous development, progressing through egg, nymphal, and adult stages. Adults are generally terrestrial and may be found on or near their host plants. Feeding behavior, reproductive patterns, seasonal activity, and other aspects of the species' life history have not been adequately studied or reported in accessible scientific databases. The conservation status of J. haematoloma is currently unranked by NatureServe (Global Status: GNR), indicating insufficient data to assess population trends or conservation needs (NatureServe Explorer). The species is not federally listed under the Endangered Species Act and appears to lack state-level conservation designation. Without population data, trend information, or identified threats, the conservation status of this species cannot be properly evaluated. The lack of comprehensive biological data for J. haematoloma represents a significant knowledge gap in our understanding of North American Hemiptera diversity. This species exemplifies the need for additional taxonomic and ecological research on lesser-known invertebrate taxa. Scientific documentation for this species remains extremely limited, and the information presented here synthesizes available taxonomic records. We welcome contributions of verified scientific data, photographs, or field observations to enhance this species account.

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, and more.