Matskási István (szerk.): A Magyar Természettudományi Múzeum évkönyve 94. (Budapest 2002)

Czuzdi, Cs. ; Szlávecz, K.: Diplocardia patuxentis sp. n., a new earthworm species from Maryland, North America (Oligochaeta: Acanthodrilidae)

backwards. Spermathecae simple with moderately large ampulla and short duct. Diverticulum arises at the junction. Material examined - AF/5050 4 ex, AF/5051 13 praead. ex. and J.H.-Olig. 2001.04.5. 1 ex., J.H.-Olig. 2001.04.6-8. 3 praead. ex. At the junction of Otter Point Trail and Railroad Bed Trail, wet sandy soil, Jug Bay Wetlands Sanctuary, Anne Arundel County, MD, USA. 04. 27. 2001. Leg. Cs. Csuzdi and K. Szlávecz. Remarks - Diplocardia texensis has a north-south disjunct distribution (Fig. 6). The northern population differs from the original one in the position of the clitellum (14-19 (20) instead of 13-20), and according to our specimens in the size of the prostate glands. Diplocardia caroliniana EISEN, 1899 Diplocardia singularis caroliniana EISEN, 1899: 172. Diplocardia caroliniana: MICHAELSEN 1900: 327. Diplocardia caroliniana: GATES 1942: 93. ? Diplocardia singularis complex, UDE, 1893: REYNOLDS 1974: 4. Diplocardia caroliniana: GATES 1977: 6. Diplocardia caroliniana: JAMES 1990: 385. Diagnosis - Length 35-50 mm, diameter 2 mm. Pigmentation lacking. Prostomium epilobous 1/2-2/3 open, first dorsal pore around 8/9. Setae closely Fig. 6. Distribution of Diplocardia texensis SMITH, 1924