"Bourletiella arvalis typically has 7 [antenna] subsegments (sometimes 6 or 8), of which the basal and the apical subsegment each bears 3 whorls of setae, while the other subsegments each bear 1 whorl of setae. Counting the whorls: 11" (Frans Janssens/BugGuide, 2014).
There are 2 records in the project database.
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