Callimyia. 15 



silvery side spot on first and second segment, the three last segments 

 are velvet black, the fifth with a large silvery side spot, occupying 

 nearly the whole segment. Abdomen is shorter-haired than in male, 

 on the ventral side at apex there is a transverse row of strong bristles. 

 Legs yellow, only hind tibiæ and tarsi blackish, as also tip of hind 

 femora and anterior tarsi towards end. The hind tibiæ and tarsi 

 are dilated, but metatarsi a little less than in male, on the contrary 

 second and third joint more dilated, and also the fourth dilated and 

 its anterior apical corner drawn somewhat out; the middle tarsi 

 have second, third and fourth joint a little dilated. The legs are 

 similarly haired as in the male, but cilia on front and hind femora 

 shorter, and there is generally no dorsal bristle on middle tibiæ. 

 Wings less or not yellow. 



Length 4 — 4,7 mm. 



C. amoena is not rare in Denmark, and may sometimes be taken 

 in great number; Ermelund, Holte, Geel Skov, Hillerød, Tisvilde, 

 Bogø south of Sealand; on Langeland at Lohals, on Lolland at Lyse- 

 mose, Maglemer and in Aasø Skov; in Jutland at Hejls and Ry, and on 

 Bornholm at Rø; the dates are ^^5 — ^Vo- ^^ occurs on leaves and in 

 low herbage; I have especially taken it on leaves of Acer and on 

 Rubus. 



Geographical distribution : — Northern and middle Europe down 

 into France; towards the north to northern Scandinavia, and in 

 Finland. 



2. C. speciosa Meig. 



1824. Meig. Syst. Beschr. IV, 14, 6. — 1838. Zett. Ins. Lapp. 530, 2 {Cal- 

 lomyza) et 1844. Dipt. Scand. III, 912, 2. — 1901. Verr. Brit. FL VIII, 24, 1, 

 fig. 42. — 1907. Kat. palåarkt. Dipt. III, 185. — 1910. Wahlgr. Entom. Tidsskr. 

 231, 1. — Callomyza (lives Zett. 1838. 1. c. 531, 5 et 1844 1. c. 915, 5. 



Male. Very similar to the foregoing. Frons and face not or almost 

 not greyish. Palpi black. Thorax with the præalar depression not 

 greyish and pleura rather blackish. The rows of bristles are more 

 conspicuous as the bristles are a little longer and denser, especially 

 in front. Abdomen quite velvet black, without silvery spots, or 

 sometimes with slight silvery or more greyish side spots at hind 

 margin of second and third segment, or on second and fourth and 

 only indicated on third; it is haired as in amoena. Hypopygium 

 elongated, attenuated towards the end, the lamellæ or claws larger, 

 somewhat pointed rectangular and with a tooth near base on ventral 



