Chrysomya

Whitworth, Terry, 2010, Keys to the genera and species of blow flies (Diptera: Calliphoridae) of the West Indies and description of a new species of Lucilia Robineau-Desvoidy, Zootaxa 2663, pp. 1-35 : 11

Key to the species of Chrysomya in the West Indies

1. Lappets of anterior thoracic spiracle brown to dark brown; genal dilation with orange vestiture and setae; male eye with upper facets much enlarged and with sharp demarcation from small facets below ( Fig. 19 ) ....... C . megacephala

- Lappets of anterior thoracic spiracle pale; genal dilation with pale vestiture and white setae; eye facets of male with no clear line of demarcation between larger and smaller facets ................................................................................... 2

2. Proepisternal seta absent ............................................................................................................................... C . albiceps

- Strong proepisternal seta present ( Fig. 20 ) ................................................................................................................... 3

3. Notum mostly shining, little or no tomentum when viewed from rear; male frons width twice the width of anterior ocellus; male outer vertical seta usually present; female with posterior margin of T5 with cleft ( Whitworth 2006, as in fig. 49) ..................................................................................................................................................... C . rufifacies

- Notum with more whitish tomentum, especially along edge of mesonotum; male frons width less than the width of anterior ocellus; male outer vertical seta usually absent; female with rear edge of T5 without a cleft; not currently known in West Indies, but found in South and Central America.................................................................... C . putoria

Figures

FIGURES 19 – 20. 19. Chrysomya megacephala, male eye with upper facets enlarged and sharp demarcation between upper and lower facets. 20. Chrysomya rufifacies, proepisternal seta present (anterior spiracle in background).