| 1. | The mesonotum is bluish-gray with three blackish longitudinal lines.
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| 2. | On the mesonotum are one to two pairs of dorsoscentral bristles.
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| 3. | The convex mesonotum is usually covered with hairs and rows of bristles.
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| 4. | Scutellum is hairy and mesonotum shows two strong apico-lateral spines.
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| 5. | Mandibles are yellowish red, and mesonotum, epinotum and node are red.
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| 6. | Vibrissae are well developed . On the mesonotum there are two pairs of dorsocentral bristles.
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| 7. | Mesonotum either has setal warts or not.
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| 8. | A large number of hairs grow from the gaster, mesonotum, pronotum and propodeum.
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| 9. | Mesonotum has setal warts divided into row of setal bases; setal warts are absent on metanotum.
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| 10. | The mesonotum bears black or yellow hairs on the sides, while the scutellum is brownish or yellowish.
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