Hypochalcia ahenella
62.030
Pyralidae
Phycitinae
Hypochalcia
Nationally Scarce B
Species account (old)
This very local species is little known anywhere in the country but appears to frequent dry calcareous grassland when it does occur. Emmet in his 'Field Guide' gives Helianthemum or Atemesia campestris as possible foodplants, and this would agree with its Durham stations. Robson and Gardner found it occasionally about Blackhall Rocks where Heianthemum is plentiful, and more recently one came to light at Thrislington Plantation on 11-7-1986, one of the richest Magnesian Limesone sites in the country, where H. chamaecystis is one of the dominant plants. [...]
Statistics
| Records | 4 |
|---|---|
| Individuals | 6 |
| Largest Sample | 2 |
| First Recorded | 1905 |
| Last Recorded | 2012 |
| Earliest Adult Record | 10/06 |
| Latest Adult Record | 11/07 |
| Monad Coverage | 0.1% |
| Hexad Coverage | 4.8% |
Map
This map shows all records of Hypochalcia ahenella in the Durham (VC66) database per monad (1km grid square). The map can be explored further by zooming and panning, can be reset using the button on the left, and can be filtered by selecting the era. Click on a monad to view a full list of species recorded in it, or its containing hexad (10km grid square).
Map (image)
The distribution of Hypochalcia ahenella is additionally shown in the image below. This is to allow for backwards compatibility with older browsers that cannot load the map above.
Week graph
This graph shows the County Durham (VC66) records of Hypochalcia ahenella per 7-day period, differentiated by life stage. Hover over/tap the graph to see an exact count of records at that point in time. Hover over/hold the life stage legend to highlight a particular life stage; click on a life stage label to remove it from the graph. The graph can be filtered further by selecting the era.
The graphs below show the total records and individuals of Hypochalcia ahenella in County Durham (VC66) per time period. Hover over/tap the graph to see an exact number of records and individuals at a particular point in time. Hover over/hold a label to highlight a particular metric; click on a metric label to remove it from the graph.
Era graph
Year graph
Gallery
This gallery shows images of Hypochalcia ahenella. Clicking on a photo opens it in a large lightbox with a full caption, and the arrow buttons move between photos. If you would like to contribute any photographs, particularly of any stages not captured here, please email admin@durhammoths.org. Most photos on this website have been taken by County Durham (VC66) recorders, but please note that not all have been taken in the county.
Foodplants
There are no foodplants listed for the larval stages of Hypochalcia ahenella.
Habitats
There are no habitats listed for Hypochalcia ahenella.