505 



AQUATIG RHYNCIIOTA 

 IN THE COLLECTION OF THE ROYAL MUSEUM OF BELGIUM 



1STOTES .A-HSTID DESCKIPTIOnSTS 

 Iiy G.-W. Kirkaldy. 



The following notices are based on the material communicated 

 by M. Gr. Severin, to whom I offer m y thanks. 



1. Mesovelia bisignata Uhler. — Texas (Belfrage, Van 

 Volxem Coll.); Guadeloupe (Delauney); Santa-Cruz. 



2. Hydrometra argentina (Berg). — Botafogo (Van Volxem 

 Coll.). 



3. H. greeni Kirkaldy. — Bangkok (P. Robin). 



4. Paravelia basalis (Spinola). — Ç ; Barbacena (Van 

 Volxem Coll.). 



5. Velia albotrimaculata sp. n. 



Length about 3 1/3 times as great as width across the pronotum. 

 Head longitudinally carinated ; rostrum reaching to apical margin 

 of metasternum ; first segment of antennse curved, thicker at apex 

 than at base, a little longer than the second, the latter thicker than 

 the third but a little shorter (fourth broken). Pronotum distinctly 

 punctured, widely carinate anteriorly, feebly carinate and acutely 

 triangular posteriorly. Posterior fémur longer than the interme- 

 diate fémur, which is longer than the anterior; anterior fémur 

 and tibia subequal, each twice as long as the tarsus, ultimate and 

 penultimate tarsal segments subequal. Intermediate tibia onese- 

 venth longer than the fémur, 2 1/4 times as long as the tarsus, 

 ultimate tarsal segment one-fourth longer than the penultimate. 

 Posterior fémur and tibia subequal, each a little more than twice 

 as long as the tarsus, penultimate tarsal segment one-third longer 

 than the ultimate. Posterior fémur stout, armed internally with 

 seven black spines. 



Ç. 6 th abdominal segment emarginate, a little produced in the 

 middle, beneath. 



Length, 7 mill. ; width, 3 mill. 



Venezuela, Valencia. 



Head and pronotum brownish-grey ; basai segment of antennse 

 ferruginous, rest darker. Pleura and prosternum bluish-black, 

 meso- and metasternum purple-brown. Elytra blackish, a large, 



ANNALES DE LA SOC. ENTOM. DE BELGIQUE, T. X.LIII, G XI 'J9. 42 



