LONG1CORNIA. 233 



Britain ; it is a large and conspicuous insect, and may be known by the 

 large tubercle at the sides of thorax and the short fourth joint of the 

 antennae ; the antennae are almost approximate, and inserted at some little 

 distance from the eyes, which ate very slightly emarginate ; the elytra are 

 gradually and strongly narrowed from base to apex ; the anterior coxal 

 cavities are open behind; the legs and antenna; are long and slender; 

 like most of the other members of the tribe, it is found in June 

 and July on Umbellii'erae ; the larva is found in stumps of deciduous 

 trees. 



T. meridianus, Panz. (clirysogaster, Schrank.). A conspicuous 

 species, very variable in size, with the head and thorax much narrower 

 than the elytra, and the elytra considerably narrowed behind ; colour 

 variable, the head and thorax being always black, and the elytra entirely 

 black or entirely rufo-testaceous, or with the apex broadly and the 

 suture black and the rest testaceous, or with the base only testaceous ; 

 under-side black clothed with silvery pubescence, or testaceous clothed 

 with golden pubescence ; antennae and legs black in black specimens, 

 and more or less red in those that have the elytra rufo-testaceous ; 

 thorax oblong, with a central channel, furnished at sides with a strong 

 tuhi-n-lf but not spined, disc uneven; scutellum black; elytra with 

 well-marked shoulders, very finely sculptured, with obsolete raised 

 legs lung, with strong tibial spurs. L. 15-24 mm. 



Male smaller, with the elytra more attenuated to apex, and the 

 antenna- longer than in female, and with the fifth -segment of the 

 abdomen subtruncate at apex ; in the female this segment is sinuate on 

 both sides, and longitudinally impressed in the middle. 



On flowers, especially Umbelliferae, in woods ; often flying in the hot sunshine ; 

 somewhat local, but generally distributed and common from the Midlands south- 

 wards ; rarer further north ; Northumberland and Durham district, not common ; 

 not recorded from Scotland. 



PACHYTA, Scrville. 



The British members of this genus are known from the preceding by 

 having no distinct tubercle at the sides of the thorax, and by the fact 

 that the third and fourth joints of the tarsi are nearly equal ; they are 

 also smaller and more robust-looking insects ; as ordinarily constituted 

 the genus contains about seventy species, which are all found in Europe, 

 .North America, and North and Central Asia; the constitution of the 

 genus has, however, been much altered by modern authors. In the la>t 

 European catalogue the genus Padiyta contains only two species, neither 

 ot which are found in Britain, and of our three species two are referred 

 to Isptitra and one to ActtMOps. 



- *li|_'litly i urn ^iiiate ; thorax black; elytra 

 M'ilowwitb black ajuj kings, or black with yellow 

 mark 



