couplet #1
History
Nixon (1957) - Subfamily Belytinae - Females (at the start)
Nixon (1957) - Subfamily Belytinae - Females (at the start)
Micropterous species
future couplets
Notaulices wanting; antenna with 14...
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Anommatium
Antenna with 12 segments
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Synacra
Propodeal keel forked; petiole very...
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Belyta
Propodeal keel not forked; petiole ...
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Zygota
In profile, lower side of gaster ve...
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Acropiesta
In profile, lower side of gaster sl...
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Pantolyta
Macropterous species
future couplets
Notaulices wanting; head strongly t...
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Ismarus
Antenna with 12 segments; sides of ...
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Synacra
Antennae with 14 segments; stigmali...
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Atelopsilus
Antenna with 15 segments; stigmalis...
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Opazon
Occipital margin above with a borde...
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Rhynchopsilus
Petiole about two and a half times ...
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Paroxylabis
Marginalis not longer than stigmali...
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Belyta
Marginalis much longer than stigmal...
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Oxylabis
Base of large tergite without trace...
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Pantoclis
Only 2 discrete ring segments betwe...
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Aprestes
Marginalis reduced to a mere juncti...
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Pamis
Marginalis considerably longer than...
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Cinelaptus
Postscutellum with a prominent angu...
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Paroxylabis
Postscutellum without such a proces...
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Aclista
Segment 1 of flagellum enormously l...
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Diphora
Notaulices slightly divergent poste...
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Cinetus
Notaulices evenly convergent, their...
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Leptorhaptus
Marginalis distinctly longer than i...
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Pantolyta
Pronotal collar on each side with a...
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Acanosema
Medial keel of the propodeum forked...
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Belyta
Radial cell open at apex, the radia...
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Zygota
Petiole at most one and a thirds ti...
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Pantoclis
Pronotum elongate, without a vertic...
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Belyta
Pronotum not elongate, with a more ...
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Aclista
Gaster remarkably modified, showing...
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Miota
Marginalis at least two-thirds as l...
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Acropiesta
Marginalis at most one-third as lon...
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Pantoclis
Radial cell widely open, the radial...
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Psilomma