Eucera. 931 

desponsa (Smith) D. T. — 9 3 — Am. bor. 
Melissodes desponsa Smith, Catal. Hymen. Brit. Mus. II. 1854 p. 310 n. 5, Q. 
Melissodes nigripes Smith, Catal. Hymen. Brit. Mus. II. 1854 p. 311 n. 9, 9 
Melissodes desponsa Provancher, Natural. Canad. XIII. 1882 p. 174 & 692, C. 
Melissodes nigripes Provancher, Addit. faun. Canada. Hymén. 1888 p.300 n.4, Q jj. 
Eucera desponsa m. 
difficilis Pér. — € / — Eur. centr. & mer. 
? Eucera linguaria Lepeletier, Hist. nat. Insect. Hymén. II. 1841 p. 122 n. 6, C. 
? Eucera subrufa Lepeletier, Hist. nat. Insect. Hymén. II. 1841 p. 129 n. 17, $$. 
? Eucera subfasciata Lepeletier, Hist. nat. Insect. Hymén. II. 1841 p. 136 n. 27, $. 
? Eucera subrufa F. Morawitz, Fedtschenko: Turkestan Apid. I. 1875 p.64 n. 92, € 5$. 
Eucera difficilis (Dufour) Pérez, Actes soc. Linn. Bordeaux XXXIII. 1879 p. 164, 9 $. 
dilecta (Cress. D. T. — ; — Am.: Texas, Colorado. 
Melissodes dilecta Cresson, Proc. Acad. Nat. Sc. Philadelphia 1878 p. 199, 5. 
Eucera dilecta m. 
dimidiata Brullé — jj — Eur. mer. 
Euecera atricornis Panzer, Faun. Insect. German. IX. 1809 P. 106 T. 20 [nec Fabricius]. 
Eucera dimidiata Brullé, Expéd. sc. Morée. Zool. II. 1832 p. 334 n. 744, $$. 
diminuta (Cress) D. T. — 5$ — Am.: Colorado. 
Melissodes diminuta Cresson, Proc. Acad. Nat. Sc. Philadelphia 1878 p. 215, 5. 
Diadasia diminuta Patton, Bull. U. St. Geol. Surv. V. 1879 p. 476, $$. 
Eucera diminuta m. 
diseoidalis Mor. — /j — As.: Caucasus. 
Eucera discoidalis F. Morawitz, Horae soc. entom. Ross. XIV. 1878 p. 37 n. 340, 5. 
dispar (Smith) D. T. — 9 — Am.: Peru. 
Tetralonia dispar Smith, Catal. Hymen. Brit. Mus. II. 1854 p. 307 n. 46, C. 
Eucera dispar m. 
distineta Lep. — 3$ — Eur.: Gallia. 
Eucera distincta Lepeletier, Hist. nat. Insect. Hymén. II. 1841 p. 139 n. 31, 5. 
distinguenda (Mor. D. T. & Fr. — 9 $ — As.: Caucasus, Turcestania. 
Tetralonia distinguenda F. Morawitz, Fedtschenko: Turkestan Apid. I. 1875 p.50n.71, 9 5. 
Eucera distinguenda Dalla Torre & Friese, Entom. Nachr. XXI. 1895 p. 57. 
dizona Dours — 4$ — Afr. Algeria. 
Eucera dizona Dours, Rev. & mag. zool. (3) I. 1873 p. 316, 5. 
donata /Cress. D. T. — 9 — Am.: Mexico. 
Melissodes donata Cresson, Proc. Acad. Nat. Se. Philadelphia 1878 p. 208, C. 
Eucera donata m. 
doursana D. T. & Fr. — $ — Afr.: Algeria. 
Eucera brevieornis Dours, Rev. & mag. zool. (3) I. 1873 p. 322, ($ [nee Smith;. 
Eucera Doursana Dalla Torre & Friese, Entom. Nachr. XXI. 1895 p. 57. 
dubitata (Cress. D. T. — 9 /$ — Am.: Georgia. 
Melissodes dubitata Cresson, Proc. Acad. Nat. Se. Philadelphia 1878 p. 194, Q 4. 
Eucera dubitata m. 
dufourii (Pér. D. T. & Fr. —.9 ;j — Eur. mer. 
Maeroceera Dufourii Pérez, Actes soc. Linn. Bordeaux XXXIII. 1879 p. 148, C 5. 
Eucera Dufourii Dalla Torre & Friese, Entom. Nachr. XXI. 1895 p. 57. 
duvaneelii (Lep. D. T. — 3 — As.: Bengalia. 
Maerocera Duvancelii Lepeletier, Hist. nat. Insect. Hymén. II. 1841 p. 98 n. 11, 4$. 
Tetralonia Duvancelii Smith, Catal. Hymen. Brit. Mus. II. 1854 p. 302 n. 30. 
Eucera Duvancelii m. 
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