A new hypogeal species of Oregmopyga Hoy (Hemiptera: Coccoidea: Eriococcidae) from southern California, U. S. A., and a key to species of the genus Author Kondo, Takumasa Author Gullan, Penny J. Author Miller, Douglass R. text Zootaxa 2004 784 1 12 journal article 10.5281/zenodo.158056 f52837f3-4084-4b65-9b17-9dfe38ca601f 1175­5326 158056 8623BECC-9C8D-46BF-88ED-4C8F0C71DDDC Oregmopyga Hoy Onceropyga Ferris, 1955 : 208 (preoccupied by Onceropyga Turner, 1906 ) Oregmopyga Hoy, 1963 : ( nom. nov. for Onceropyga ); Miller and McKenzie, 1967 : 489 ; Miller and Miller, 1993 : 77 . Type species. Eriococcus neglectus Cockerell, 1895 , by original designation. Revised key to species of Oregmopyga Hoy based on adult females [adapted from partial keys in Gill (1993) , Miller and McKenzie (1967) and Miller and Miller (1993) ] 1. Anal ring non­cellular ................................................................................................... 2 ­ Anal ring cellular........................................................................................................... 4 2. Macrotubular ducts absent from dorsum .................................... viscosa Kondo sp. nov. ­ Macrotubular ducts present on dorsum ......................................................................... 3 3. Microtubular ducts absent from venter; anal ring horseshoe shaped; anal ring setae minute or hair­like ............................................................................. neglecta Cockerell ­ Microtubular ducts present on venter; anal ring entire or slightly open; anal ring setae­ hair­like ................................................................................................ sanguinea Miller 4. Hind coxae with pores on both surfaces........................................................................ 5 ­ Hind coxae with pores restricted to one surface ........................................................... 6 5. Antennae 6­segmented ............................................................................ eriogoni Miller ­ Antennae 7­segmented ........................................................................... johnsoni Miller 6. Bilocular pores confined to ventral margin .................................... peninsularis (Ferris) ­ Bilocular pores present on both venter and dorsum...................................................... 7 7. Multilocular pores mainly with 5 loculi ......................................... parvispina (Chaffin) ­ Multilocular pores mainly with 7–11 loculi .................................................................. 8 8. Mammiform setae wider than long, dome­shaped .................... tippinsi Miller & Miller ­ Mammiform setae longer than wide ....................................... strongyla Miller & Miller