Ti 
f- /?3/ 
374 . 
CETONIA STICTICA. 
Order Coleoptera. Fam. Melolonthidae Leach . — Scara- 
bseides Lat. — Cetoniidae MacL . 
Type of the Genus, Scarabaeus auratus Linn, 
Cetonia Fab., Lat., Oliv., MacL., Sam., Curt. — Scarabaeus Linn. 
Antennce short, inserted close to and before the eyes, in a cavity 
on each side the clypeus; 10-jointed, basal joint robust, nar- 
rowed and curved at the base, 2nd subglobose, 3rd rather longer 
than the 2 following, which are cup-shaped, 6th a little longer 
and more robust, somewhat cup-shaped, 7th short bowl-shaped, 
the remainder forming a lamellate club, the 8th being slightly 
pilose beneath (6). 
Labrum semiorbicular, emarginate in front, and ciliated (1). 
Mandibles subquadrate, elongated at the external angle, rounded 
and densely pubescent internally (2). 
Maxillce long and slender, internal margin horny and ciliated, 
terminated by along soft lobe, densely clothed with long woolly 
hairs. Palpi not reaching the apex of the lobe, naked, triarti- 
culate, basal joint the smallest, cup-shaped, 2nd a little longer, 
3rd equal in length to the others united, elliptical (3). 
Mentum obcordate, truncated at the base, clothed with long hairs 
and ciliated anteriorly. Palpi inserted in a cavity on each side, 
short, biarticulate, basal joint partly concealed, 2nd longer, 
stouter and subovate (4). 
Trophi concealed beneath the Clypeus, which is large, quadrate and 
emarginate. Head rather small and elongated. Eyes lateral, rather 
small and globose. Thorax subtrigonate, truncated before, the sides 
rounded. Scutellum elongate-trigonate. Mesosternum terminated 
before in a globular process. Scapulars filling a triangular space 
between the thorax and Elytra, the latter emarginate below the shoul- 
ders and not covering the apex of the abdomen . Wings very ample. 
Legs stout, hinder pair the longest. Tibiae spurred, anterior and 
intermediate short, the former slightly dilated and dentated exter- 
7ially, towards the apex (5), the latter and hind pair dentated exier - 
nally at the middle. Tarsi 5-jointed, basal joint nearly concealed , 
terminal one the longest. Claws slightly bent and acute. 
Stcitica Linn. Syst. Nat. 552. 54. — Curt. Guide, Gen. 135. 1. 
Greenish black, shining, sparingly clothed with long ochreous 
hairs : head minutely punctured : thorax very coarsely and irre- 
gularly punctured, with a double row of 3 white spots down the 
middle and one on each side: elytra with an elevated and abbre- 
viated ridge on each side the suture, which is keeled, and another 
down the middle ; 6 fine double striae on each with strong punc- 
tures between them ; about 20 white spots on the elytra, those 
round the margin being the largest: the apex of the abdomen in 
one sex with 2 stripes and a dot on each side white : the under 
side shaggy, with 4 white spots down the centre of the 4 basal 
joints, and the same on each side, the former being wanting in 
one sex. 
In the Cabinets of Mr. Griesbach and the Author. 
