CHLOROPS. 227 



e e e. Femora and hind tibiae mostly black. Species 6. 

 b b b. Abdomen black ; base and tip yellow. Species 7. 

 a a. Thorax with three black stripes. Species 8. 

 a a a. Thorax not striped. 

 b. Head yellow. 



c. Scutellum yellow. Species 9. 

 c c. Scutellum black. Species 10. 

 b b. Head black. Species 11. 



1. hypostigma, Meig. Zw. vi. 141. 2 (1830) ; Mcq. ; Zett. Flava, 

 verticis gutta, antennis apice, thoracis vittis quinque, abdominis guttis 

 duabus basalibus, tarsisque apice nigris, scutello albido, alls limpidis. 

 Long. f-li ; alar. l-2i lin. 



Yellow. Vertex with a black dot about the ocelli. Antennae black, 

 yellow at the base. Thorax with three black stripes. Scutellum whitish. 

 Wings limpid. Abdomen with a black dot on each side at the base. Tips 

 of the tarsi black. 



Common. (E. S. I.) 



2. notata, Meig. Zw. vi. 144. 10 (1830); Zett. Flava, capitis 

 macula triangulari, antennis apice, thoracis vittis quinque, abdominis 

 maculis duabus basalibus fasciisque nigris, vqrtice maculis duabus rufes- 

 centibus^ scutello pallide flavo, alis subcinereis, tarsis apice nigris. Long. 

 H-l|; alar. 2-2 J lin. 



Yellow. Head black behind, and with a black triangular spot about 

 the ocelli. Vertex with a pale reddish spot on each side. Antennas 

 black towards the tips. Thorax with five black stripes. Scutellum 

 pale yellow. Wings greyish. Abdomen with a black dot on each side 

 at the base, and with slender black bands on the fore borders of the 

 segments. Tips of the tarsi black. 



Common. (E.) 



3. scalaris, Meig. Zw. vi. 145. 11 (1830) ; Mcq.; Zett. Flava, 

 capitis macula, thoracis vittis quinque, abdominis guttis duabus basalibus 



fasciisque angustis nigris, antennis nigris basi flavis, alis sublimpidis. 

 Long, lf-2 ; alar. 3|-4 lin. 



Yellow. Head black behind, and with a black triangular spot about 

 the ocelli. Antennae black, yellow towards the base. Thorax with Jive 

 black stripes, and with a black dot on each side in front. Scutellum 

 pale yellow. Pectus with a black spot on each side. Wings nearly 

 limpid. Abdomen with a black dot on each side at the base, and with 

 very narrow blackish bands on the fore borders of the segments. Tarsi 

 with black tips. 



Common. (E. S. I.) 



4. nasuta, Schr. I. A. 475. 966 (1781); Gmel.; Meig.; Mcq.; 

 Zett. lineala, Schr. F. B. ; Fal. umbelliferarum, Schr. F. B. ; Geoff. ; 

 Schell. Flava, capitis macula triangulari, antennis apice thoracis vittis 



