| Author | Ball, S., Morris, R. & Stubbs, A. |
| Year | 2008 |
| Title | Recording Cheilosia albipila and C. grossa by searching for larvae in thistles |
| Type | Private publication |
| Illustrations | Colour photographs |
| Review (by Malcolm Storey) | These two early-flying species are rarely recorded as adults. This guide explains how to find and distinguish the larvae. |
| Examine |  with x8 or x10 hand lens ( Stereo Microscope is also useful) |
| Specimen Preparation | Larva in split stem-base |
| Website url | www.hoverfly.org.uk/viewtopic.php?p=1370 |
