| 3-1(2) | 3-2(1) | ||||
| Tegula enormous extending well behind level of scutoscutellar suture | |
Large image | Tegula not reaching level of scutoscutellar suture | |
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| Preoccipial carina present | |
Large image | If enlarged as above, then preoccipital carina absent | |
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| Anterior end of scutum medially bent sharply downward, the angle sharp and commonly carinate | |
Large image | Anterior end of scutum, if bent sharply down-ward, without sharp angle or carina along bend | |
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