SEPSIDES. 207 



The following additional species of Trypeta have been recorded 

 as British : 



1. Westermanni, Meig. 11. flavicauda, Meig. 



2. Colon, Meig. 12. gemmata, Meig. 



3. Wiedemanni, Meig. 13. irrorata, Fal. 



4. Lappae, Meig. 14. Winthemi, Meig. 



5. Tussilaginis, F. 15. rotundiventris, Fal. 



6. Lychnidis, F. 16. Plantaginis, Hal. 



7. discoidea, F. 17. Pini, Hal. 



8. signata, jfei^. 18. electa, Meig. 



9. laticauda, Meig. 19. Asteris, 

 10. Hyoscyami, L. 



SUBFAMILY 5. SEPSIDES. 



Carpomyzce p., Latr. Ortalides p., Fal. TJielidomyda p., Desv. 



Corpus angustum, cylindricum. Caput subproductum, postice latum. 

 Frons lata. Oculi rotundi, remoti. Proboscis magna, rugosa, apice 

 lata. Palpi longi, graciles, setosi, aut vix couspicui. Antennae breves; 

 articulus tertius ovatus, secundo longior, sextus nudus aut vix pubes- 

 cens. Thorax longi-ovatus. Ala angustae ; vena subcostalis et me- 

 diastinalis non conjunctee ; areolce pobrachialis et analis sat longte. 

 Abdomen nonnunquam petiolatum. Pedes plus minusve elongati; 

 coxa3 anticaB longse. 



Body narrow, cylindrical. Head slightly produced, broad behind. 

 Front broad. Eyes of moderate size, nearly round, remote. Proboscis 

 large, rugose, broad at the tip. Palpi long, slender, bristly, hardly 

 visible in some species. Antenna3 short \ third joint oval or nearly 

 round, longer than the second ; sixth bare or hardly pubescent. Wings 

 narrow ; subcostal and mediastinal veins distinct ; pobrachial and anal 

 areolets rather long. Abdomen occasionally petiolated. Legs generally 

 elongated ; fore coxas long. 



The Seasides in the larva state generally feed on decaying 

 matter. They may be divided into the following genera : 



a. Abdomen distinctly petiolated. 



b. Wings spotted. Fore femora and fore tibiaB of the male with 



teeth and spines beneath. SEPSIS. 

 b b. Wings unspotted. 



c. Fore femora and fore tibiae of the male with teeth and spines 

 beneath ; middle tarsi dilated. Metatarsus of the female com- 

 pressed at the base. ENICITA. 

 c c. Legs simple in both sexes. NEMOPODA. 

 a . Abdomen sessile. 



