Introduced-to-north-america
Guides
Amphigerontia bifasciata
Amphigerontia bifasciata is a small barklouse species in the family Psocidae, characterized by yellowish-black coloration with two dark transverse bands. First described by Latreille in 1799 as Psocus bifasciatus, this species is widely distributed across Europe and has been introduced to North America. It inhabits diverse woody and herbaceous vegetation, feeding on epiphytic microflora.
Calathus fuscipes
Calathus fuscipes is a ground beetle species in the subfamily Platyninae, characterized by its black body and reddish to black legs. Adults measure 10–14 mm in length with a slightly rounded pronotum. The species has a broad European distribution, though it is absent from several small states and islands. It has also been introduced to North America, with records from Canada and the United States.
Corticaria impressa
minute brown scavenger beetle
Corticaria impressa is a species of minute brown scavenger beetle in the family Latridiidae. It is native to Europe and has been recorded in parts of North America including New Brunswick and Nova Scotia, Canada. The species belongs to a group of small beetles commonly known as "plaster beetles" or "minute brown scavenger beetles" due to their association with damp, decaying organic matter and their diminutive size.
Crypticerya genistae
Genista Giant Scale Insect, fluted scale, channeled mealybug
Crypticerya genistae is a giant scale insect in the tribe Iceryini, native to South America and accidentally introduced to Florida by 2005, the Cayman Islands by 2006, Ecuador, and Peru. Adult females produce a distinctive large white fluted ovisac measuring 17–19 mm. The species has been recorded on at least eleven host plant species, primarily in the family Fabaceae, and appears to prefer herbaceous plants and shrubs over trees. It is considered an invasive pest in urban green areas and poses potential phytosanitary risks to agricultural crops including Cajanus cajan (pigeon pea).
Neotelphusa sequax
Crepuscular rock-rose moth
A small gelechiid moth with a wingspan of 11–14 mm. Adults are active in July. Larvae are specialized feeders on rock-rose species in the genus Helianthemum. Known from Europe and introduced to North America.
Oxyomus sylvestris
Oxyomus sylvestris is an aphodiine dung beetle in the family Scarabaeidae. It is distributed across Europe, the Near East, North Africa, and has been introduced to North America. Unlike many scarabaeid dung beetles, it is saprophagous, feeding on decaying organic matter rather than fresh dung.
Yponomeuta padella
orchard ermine, cherry ermine
Yponomeuta padella is a small ermine moth native to Europe and parts of Asia, now introduced to North America. Adults are active from July to August and are attracted to light. The species is notable for forming part of a cryptic species complex with Y. malinellus, Y. cagnagella, Y. rorella, and Y. evonymella, requiring genital examination or host plant association for reliable identification. Larvae feed on Prunus and Crataegus species, and the moth has demonstrated invasive potential with documented outbreaks causing significant defoliation in introduced and expanded ranges.
Ypsolopha dentella
Honeysuckle Moth
Ypsolopha dentella, commonly known as the honeysuckle moth, is a small moth in the family Ypsolophidae. Adults have a wingspan of 18–23 mm and exhibit distinctive wing patterns with a strongly falcate (hooked) apex. The species is notable for its unusual resting posture, with adults hanging upside down and antennae stretched forward. Larvae feed within silken webs on host plants and construct cocoon-like pupal cradles attached to vegetation.