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Thrips of California 2012

Thrips paramadronii

Recognition data

Distinguishing features

Described on three females from California and two from Utah (Nakahara, 1994: 98), this species has not been studied by the present authors. It is a dark brown species with no sternal discal setae, but has only two setae distally on the forewing first vein.

Related and similar species

The genus Thrips is the second largest genus in the Thysanoptera, and currently includes, worldwide, about 285 species. All members of the genus lack ocellar setae I on the head, and they all have ctenidia on tergite VIII posteromesad to the spiracles. Other characters, such as number of antennal segments, number of setae on the fore wing veins, and number of discal setae on the sternites are variable between species (Palmer, 1992; Mound & Masumoto, 2005). T. paramadronii has been compared to the more common Californian species, T. madronii (Nakahara, 1994: 98).

Taxonomic data

Current valid name

Thrips paramadronii Nakahara

Original name and synonyms

  • Thrips paramadronii Nakahara, 1994: 97

Family placement

Thripidae, Thripinae

Biological data

Life history

Not known.

Host plants

Taken once from Cytisus (Fabaceae).

Tospoviruses vectored


Crop damage


Distribution data

Area of origin

Western USA


California, Utah.