| 1. Continent where bee was collected |
| 36Europe and adjacent countries 14North America |
| 2. State or province where bee was collected in U.S. or Canada |
| 2AL 10AZ 6Alberta 4British Columbia 12CA 8CO 2CT 2DC 2DE 2FL 2GA 6ID 2IL 2IN 4KS 2KY 2MA 2MD 2MS 2MT 2NC 2ND 4NE 2NJ 10NM 13NV 2NY 2OH 8OR 2PA 2RI 2SC 2SD 2TN 2TX 10UT 2VA 8WA 2WV 4WY |
| 3. Country in Europe where bee was collected |
| 11Albania 6Armenia 6Austria 4Azerbaijan 4Belgium 10Bulgaria 14Crete 18Croatia 14Cyprus 6Denmark 8European Russia 18France 4Georgia 4Germany 24Greece 4Hungary 2Ireland 22Italy 8Kazakhstan 4Luxemburg 4Netherlands 4Poland 14Portugal 4Republic of Macedonia 10Romania 14Slovenia 24Spain 6Switzerland 19Turkey 4United Kingdom |
| 4. Sex, number of antennal segments |
| 24Female, 12 25Male, 13 |
| 5. Subgenera |
| 4Eupavlovskia 36Melecta 2Melectomimus 4Paracrocisa 4Pseudomelecta |
| 6. Head, antennae, flagellum |
| 1Flagella segment 1, SLIGHTLY longer than flagella segment 2 4Flagella segment 1, clearly LONGER than flagella segment 2 2Flagella segment 1, clearly SHORTER than flagella segment 2 18Flagella segment 1, equal in length, slightly shorter or slightly longer as flagella segment 2 |
| 7. Abdomen, abdominal patches of dense white hairs |
| 13Absent 15Often clearly present on the lateral sides of T2 until T5, in males also T6 2Present, but faint 1With paired lateral abdominal spots on T2-3, in males also often T4 - sometimes merged forming an 8-shaped lateral spot |
| 8. Head, clypeus, hairs |
| 17Covered completely or almost completely with black hairs 2Covered with long pale hairs 2Covered with mixed black and pale hairs |
| 9. Thorax, hairs on dorsum |
| 10Grayish or pale brown dense hairs 10Grayish or pale brown hairs, but often with mixed dark hairs or dark hair patches 5Grayish or pale brown hairs, but with band of black hairs between tegulae 3Sparse grayish hairs 4Warm dense brownish orange hairs |
| 10. Thorax, scutellum |
| 10With long slender spines 30without or with stout spines - often hidden between long or dense hairs |
| 11. Abdomen, T1 |
| 40WITH pale hairs 2WITHOUT pale hairs |
| 12. Legs, midtibia |
| 7Spur straight or only slightly bend apically 1Spur strongly hooked apically 5With very dense pale pubescence on outer face 15Without very dense pale pubescence on outer face |
| 13. Abdomen, S4 and S5 |
| 1With subapical hair brushes 12Without subapical hair brushes |
| 14. Abdomen, pygidial area |
| 9Broad at base, slender apically, not covering dorsal surface of T6 in females 1Broad at base, slender apically, sides T7 covered with hairs in males 5Large, triangular, covering dorsal surface of T6 in females 2Parallel-sided, slender, sides T7 covered with hairs in males |
| 15. Head, frons, punctuation |
| 4uniformly punctate 9with impunctate area |
| 16. Abdomen, terga, punctuation |
| 1Fine punctuation, but appearing dull 4Fine punctuation, not dense, appearing shiny 2Very dense punctuation, appearing dull - also due to pubescense |
| 17. Mandibles, colour |
| 24Completely dark 9Yellowish apically |
| 18. Thorax, mesepisternum |
| 1With dark hairs 1With pale hairs |
| 19. Host |
| 2Anthophora aestivalis 2Anthophora bomboides 2Anthophora dubia, syn. A. semperi 2Anthophora plumipes 2Anthophora retusa 2Anthophora rubricrus 2Anthophora solskyi 34Anthophora spec. 2Habropoda tarsata 2Habropoda zonatula |