CORIZID.E. 137 



a little produced. Legs moderate, hinder pair longest ; thighs not 

 incrassated; all with projecting hairs, shorter than those on the 

 antennae ; tarsi, 3rd joint as long as the other two, on the 3rd pair 

 longer. 



Abdomen convex, above and beneath, long, narrow, the sides 

 parallel in , slightly curved in $ ; above, the 3rd segment poste- 

 riorly deeply cut out at the sides ; 4th segment posteriorly, deeply 

 cut out in the centre ; 5th segment posteriorly concave ; 6th seg- 

 ment, in $ elongate, posteriorly rounded ; in $ truncate ; beneath, 

 the posterior margin of all the segments straight ; in $ the last 

 segment is raised, very convex, much shorter than on the upper side, 

 in $ it is also convex, but as long as on the upper side, and the 

 posterior margin forms two sides of a triangle. Genital segments 

 retractable within the abdomen, in the <$ rarely visible, in $ , 3, 

 gradually narrower, are usually to be seen when the insect is alive. 



Species 1. MYRMUS MIRIFORMIS. 



COREUS MIRIFORMIS, Fall. Mon. Cim. 60, 8 (1807). 

 LYGJEUS MICROPTERUS, Bur. Ent. Trans, i, 73, pi. 3 (1807). 

 RHOPALUS MIRIFORMIS, Schill. Beitr. i, 54, 6 (1829) ; H. Schf. Panz. F. 

 G. 121, 11 & 12 (1835) ; Stal, K. Vet. Akad. 

 JForh. 207, 1 (1862). 

 CORIZUS MIRIFORMIS, Fall. Hem. Suec. 44, 4 (1829) ; Zett. P. Ins. Lap. 



i, 467, 3 (1832) ; Ins. Lap. 261, 3 (1840). 

 CHOROSOMA MICROPTERA, Curt. B. E. vii, 297, 2 (1830). 

 MYRMUS MIRIFORMIS, Hahn, Wanz. i, 82, 1. 13, figs. 46 & 47 (1831) ; 

 Bum. Handb. ii, 312, 1 (1835) ; Fieb. Europ. 

 Hem. 228 (1861). 

 CHOROSOMA MIRIFORME, Flor, Rhyn. Liv. i, 186, 1 (1860). 



Slightly shining, the ^ pale-brown, more rarely pale-green, with the 

 abdomen reddish ; the ? pale-green ; generally with the corium 

 only partially developed and the membrane rudimentary. 



Head rugose, with confluent punctures and lines, some of which 

 are black, and with strong, short, black hairs ; a black line in the 

 furrow between the facial lobes and sometimes on the lateral processes. 

 Antennas red, 4th joint brown ; hairs black. Eyes brown. Ocelli 

 reddish. Rostrum ochreous, with a brown central line. 



Thorax. Pronotum with very short projecting hairs, and rather 

 strong confluent punctures ; lateral margins pale ; posterior margin 



