Research Article
Status and Trend of Regal Fritillary (Speyeria idalia) (Lepidoptera: Nymphalidae) in the 4th of July Butterfly Count Program in 1977–2014
Table 2
Summary statistics on 4JC circles ever reporting a Regal Fritillary and all counts reported from those circles, by geographic scope.
| | North America | Main range | Core range |
| N circles with Regal Fritillary reported | 60 | 57 | 54 | N counts reported from those circles | 719 | 669 | 646 | Total Regal individuals reported | 21,783 | 21,778 | 21,755 | Total party-hours in these circles |
7237.59 |
6590.66 |
6064.66 | N counts reporting Regal present | 279 | 275 | 271 | Median N years reported per circle | 12 | 11 | 11.5 | Median first year held | 1993 | 1993 | 1993 | Median last year held | 2012 | 2012 | 2012 | N counts from all circles in region | 10,333 | 4751 | 1509 |
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