Gymnetrina. | RitYNCHOPHORA. 305 
Thomson includes Acalyptus in the tribe, but it is evidently distinct by 
reason of its 7-jointed funiculus; the species are small inconspicuous 
insects, of oval, oblong-oval, or cylindrical form, and are found on 
various low plants ; the larvee live in the stems or flower heads and in 
some cases form galls, 
I. Anterior coxe distant; tarsal clawsfree . . . . . MIARUS, Steph. 
II. Anterior coxe contiguous ; tarsal claws connate. 
i. Form ovate or oblong-ovate ; Boeeney coxze broadly 
eeeiant 5 - Sausies . GYMNETRON, Schink. 
. Form cylindrical ; posterior cOxe less broadly distant MECINUS, Germ. 
MIARUS, Stephens. 
The species of this genus are rather broad black insects, with grey 
pubescence ; they closely resemble the larger and broader species of 
Gymnetron (belonging to Stephens’ genus Rhinusa), but differ in having 
the anterior coxe distant, the tarsal claws free, and the prosternum 
excavate before the anterior cove and excised at apex ; the rostrum is 
received in a pectoral groove ; the larve live in the capsules of Campanu- 
laceee or of Linaria, and usually form a more or less distinct gall : in the 
males the rostrum is shorter and duller than in the females; about a 
dozen species have been described as belonging to this genus, of which 
eight are found in Europe and the remainder occur in South Africa and 
Persia ; of these four are usually regarded as British, but one of these, 
M., micros, is exceedingly rare, and only two indigenous examples have 
hitherto been recorded, 
I. Strie of elytra distinct; average size larger. 
i. Form short and broad, rotundate-oval; elytra with at 
least two rows of hairs on each or on most of the 
interstices. 
1. Posterior femora not toothed; pubescence of elytra 
very short and close; male with the last ventral 
segment of the abdomen excavate behind and termi- 
nated by twoteeth . . . M. CAMPANULE, L. 
2. Posterior femora angled and toothed on their | in- 
ferior margin ; pubescence of elytra coarse and some- 
what raised; male with the last ventral segment of 
the abdomen simple . . . . . . M. GRAmMINIs, Gyll. 
. Form somewhat elongate, oblong- -oval ; “elytra with 
one row of hairs on ail the interstices beginning from 
thesthird’s or. . M. PLANTARUM, Germ. 
II. Strie of elytra indistinct ; ‘average | size smaller ; pos- 
terior femora not toothed . . .. .. . =. =~. =. - (M. mronos, Germ.) 
IM. campanule, LL. Ovate, short and broad, slightly convex, black, 
clothed with short depressed whitish-grey hairs, which, on the elytra, 
are arranged in more or less distinct rows ; rostrum elongate ; antennz 
black, pithy at base, with the second joint of the funiculus twice as 
long as the third joint ; head and thorax very closely punctured, the 
latter transverse with the sides rounded and strongly narrowed in front ; 
elytra at base a little broaderthan base of thorax with regular punctured 
VOL. V. x 
