| Eye maculae | More or less scattered. | Clustered, appear as patches. |
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| Facial vitta | Narrower compared to E. brunetii sp. nov.; occupies approximately ⅓ width of face. | Broader compared to E. polychromata; occupies more than ⅓ width of face. |
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| Pruinose vittae on scutum | Present and distinct. | Absent (male) or less distinct (female). |
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| Median black vitta on tergum III | Incomplete; only traces are present. | Complete; continuous to the posterior margin. |
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| Body pilosity | Sparse compared to E. brunetii sp. nov. | Dense compared to E. polychromata. |
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| Mesonotal pile in male | Yellowish brown. | Conspicuously black. |
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| Pilosity on anepimeron | All pale yellow (Fig. 10C, marked with arrow). | Pale yellow except on the anterodorsal part, mixed with black pile (Fig. 2C, marked with arrow). |
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| Male wing | Hyaline. | Distinct brown infuscation. |
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| Pile on cercus | Short and sparse (Fig. 7D) compared to E. brunetii sp. nov. | Long and dense (Fig. 7A) compared to E. polychromata. |
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| Ventral margin of surstylus | Nearly straight in the middle. | Sinuous in the middle. |
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