Key to Common Carabids (ground beetles) in Virginia Orchards

Key to Tribes

1. Mesocoxal cavities not entirely closed....................................................................................................2

Mesocoxal cavities entirely closed..............................................................................................................4

2. Procoxal cavities open posteriorly.........................................................................................................3

Procoxal cavities closed posteriorly..........................................................................................SCARATINI

3. Metacoxae separated; labrum deeply forked.............................................................................CYCHRINI

Metacoxae not separated; labrum not forked................................................................................CARABINI

4. Head with 2 bristle bearing punctures above each eye..............................................................................5

Head with 1 bristle bearing punctures above each eye..................................................................................9

5. Margin of elytra interrupted at posterior third and with a distinct internal fold................................................................................................................................PTEROSTICHINI

Margin of elytra not interrupted and without an internal fold.......................................................................6

6. Front of head short; labrum impressed....................................................................................LIGININI

Front of head normal...............................................................................................................................7

7. Next to last segment of labial palpi with but two setae..............................................................................8

Next to last segment of labial palpi with a number of setae anteriorly and always longer than terminal segment....................................................................................................................................DRYPTINI

8. Elytra not, or obliquely subtruncate at apex..........................................................................................10

Elytra truncate at apex..................................................................................................................LEBIINI

9. Elytra margin more or less interrupted and with an internal fold; antennae with three basal segments glabrous...............................................................................................................................CHLAENIINI

Elytra margin not interrupted, no internal fold; antennae with two, rarely with three, basal segments glabrous................................................................................................................................HARPALINI

10. Antennae with pubescence beginning on first, second, or third article........................................AGONINI

Antennae with pubescence beginning on fourth article, articles 1 -3 glabrous except for a few long, terminal or subterminal setae...................................................................................................................PLATYNINI


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