Julida Brandt 1833

Shelley, Rowland M. & Smith, Jamie M., 2016, Parajulid milliped studies XII: Initial assessment of Ptyoiulus Cook 1895 and neotype designations for Julus impressus Say 1821 and J. montanus Cope 1869 (Diplopoda: Julida), Insecta Mundi 2016 (522), pp. 1-21 : 5

Order Julida Brandt 1833

Family Parajulidae Bollman 1893

Key to US and Canadian parajulid family-group taxa occurring east of the Rocky Mountains

1.

—

Epiproct short and blunt, not, or only barely, overhanging paraprocts; anterior gonopods with lateral syncoxal processes ......................................................................................................... 2

Epiproct moderately long to long, clearly overhanging and extending beyond level of paraproctal margins, apically acuminate; anterior gonopods without lateral syncoxal processes ........... 3

2.

—

Small-bodied to minute parajulids, posterior gonopods with three ventrally directed projections (two in the Mexican genus), solenomere longest; central Colorado to northwestern Arizona, east central Texas, and Nuevo León, Mexico ( Shelley and Smith 2016) .................................. .............................................................................................................. Gosiulini Causey 1974

Small-bodied to moderately large parajulids ; posterior gonopods usually with two ventrally directed projections, solenomere usually longer; anteromedial margins of 8 th male sterna with anteriorly-directed lobes protruding over aperture and usually between gonopods; Alberta and Québec to southern peninsular Florida, the Rio Grande in Texas, southern New Mexico, and southwestern Arizona ................................................................... Aniulini Causey 1974

3.

—

Caudal rings, paraprocts, and epiproct heavily setose; latter extending directly caudad; Québec and northern Vermont to northern Florida, westward to southeastern Wisconsin, the Mississippi River from southern Illinois to southern Tennessee and northeastern Arkansas ......................................................................................................... Ptyoiulinae Causey 1974

Caudal rings, paraprocts, and epiproct glabrous or with at most only scattered setae; epiproct either angling slightly ventrad distally (juveniles) or strongly decurved and falcate (late instars and adults); James Bay, Ontario, southern Québec, and western New Brunswick to central Georgia, westward to Illinois ..................................................... Uroblaniulini Causey 1974