HEMIPTERA HETEROPTERA. 147 
Genus 37. THAUMASTOPUS. 
Thaumastopus, Fieb. Verh. Zool. Bot. Ges. Wien. xx. 246. 
1. THAUMASTOPUS FLAVIPES. 
flavipes, Fieb. Verh. Zool. Bot. Ges. Wien. xx. 247, pl. 5, f. 4. 
Sarepta. 
The two following species may be included for a while in this genus. 
Group n. 
Corpus gracile, convexum. Caput conicum, prothoraci equilongum. 
Oculi subprominuli. Rostrum coxas posticas attingens. Antenne 
graciles, corpori xquilonge. Prothorax transverse subsulcatus, antice 
conicus. Pedes longi; femora antica subincrassata. 
Body slender, convex. Head conical, as long as the prothorax. Eyes 
slightly prominent. Ocelli distinct, at some distance from the hind border 
of the head. Rostrum extending to the hind coxw. Antenne slender, as 
long as the body; first joint longer than the head; second much longer 
and more slender than the first; third much shorter than the second ; 
fourth a little longer than the third. Prothorax much narrower in front, 
with a slight transverse middle furrow, between which and the hind border 
it is largely punctured. Legs long, slender; fore femora slightly 
incrassated. Fore wings coriaceous, extending to the tip of the abdomen, 
with a small membrane, 
Type T.? alacer. 
2. THAUMASTOPUS? ALACER. 
Niger, rostrum fulvum ; ale antice maculis duabus costalibus albis. 
Black. Rostrum tawny. Fore wings with two white costal spots, 
one before the middle, the other beyond the middle. Hind wings pellucid. 
Length of the body 3 lines. 
a. Canary Isles. Presented by W. W. Saunders, Esq. 
2. THAUMASTOPUS? ALACRIS. © 
Fem. Niger, elongatus, valde converus; caput conicum; rostrum 
fulvum, coxas intermedias attingens; antenne fulve, corpore 
breviores, articulo 40 piceo ; prothoracis sulcus transversus posticus 
bene determinatus ; pedes fulvi, longi; ale antice picee, abdominis 
apicem non altingentes. 
Female. Black, long, slender, shining, very convex, very finely 
punctured. Head conical, much shorter than the prothorax. Eyes not 
prominent. Rostrum tawny, extending to the middle coxe. Antenne 
tawny, slender, rather shorter than the body; first joint a little shorter 
than the head; second longer than the first; third a litle shorter than the 
second; fourth piceous, as lung as the second. Prothorax elongate, a little 
