Parajapyx isabellae ( Grassi, 1886 )

Graening, G. O., Shcherbanyuk, Yana & Arghandiwal, Maryam, 2014, Annotated Checklist of the Diplura (Hexapoda: Entognatha) of California, Zootaxa 3780 (2), pp. 297-322 : 315-316

Parajapyx isabellae ( Grassi, 1886)

Following are determinations by L. Smith from slide-mounted material from BME:

Amador County: Martel, 21 Mar. 1959, L. Smith. Calaveras County: 6 miles North of Ione, 25June. 1958, Smith & Schuster. El Dorado County: near Nashville, 25 Apr. 1958, Smith & Schuster. Lassen County: Bieber, 3 specimens, 17Apr. 1958, R. Gerhardt. Marin County: 1 mile west of Inverness, 1 Mar. 1960, A. Grigarick, L. Smith, and R. Schuster. Sacramento County: Folsom Lake State Park, Horseshoe Bar, 15 Apr. 1958, Smith & Schuster. San Diego County: Borrego Springs, 25 Mar. 1959, L. Smith and A. Grigarick. Solano County: Mix Canyon, 12 Mar. 1960, F. Parker and A. Menke. Sonoma County: 8 miles west Santa Rosa, soil alfalfa field, 12 Nov. 1958, W. Lange and H. McKenzie; Fort Ross, McKenzie’s pasture, soil/Indian middens, 27 Apr. 1959, A. Gray. Yolo County: In a barley field near Davis ( Smith 1961); Winters, 23 Apr. 1959, F. Raney; Davis, Covell Ranch, Aug. 1944.

Also reported from Arizona, Arkansas, Hawaii, Indiana, Louisiana, Maryland, Missouri, Nebraska, New York, North Carolina, Oklahoma ( Allen 2002; L. Smith, unpub. data, BME). This exotic, cosmopolitan species is associated with potting soil, probably distributed by the greenhouse industry; the type locality is Italy ( Reddell 1983).