TERMITES FROM THE AUSTRALIAN REGION. 
(lenus Migrooerotermes Silvestri. 
List of described Australian species of Microcerotermes : 
DcscribevI Castes. 
(H'ilJ-'ll. 
Soldier. 
Worker. 
M krrocerolermes sermhts (Frogg.) 
North Queensland 
X=:= 
Xt 
xt 
,, lumen (Frogg.) 
South Qixeensland and 
New South Wales 
X 
xt 
X 
,, (lisliuciuts 8iiv. 
Western Australia and 
South Australia 
X* 
X 
xt 
nanus (Hill) . . 
Northern Territory 
X* 
xt 
xt 
,, parviee.jis Mjob. 
South Queensland 
Xt 
X 
xt 
,, excisus Mjob. 
South Queensland 
xt 
xt 
xt 
„ leai, ti. sp. . . 
South Australia, Victoria 
and New South Wales 
X* 
X* 
X* 
„ 'uerms}is^ n. s]>. 
Northern Territory 
X* 
X* 
X* 
neivHmni, n. s]). 
Western .Australia 
X* 
X* 
X* 
,, qladius, n. sp. 
North Queensland 
X* 
X* 
,, boreus, n. s|). 
Northern 'Peuritory and 
? Victoria. 
X* 
X* 
X* 
„ Jugac, n. sp. 
Northern Territory 
X* 
X* 
x=;= 
„ laylori. n. s]>. 
North Queensland 
X* 
X* 
X* 
,, menvJimiS: ii, sp. 
North Queensland 
X* 
X* 
X* 
* Described in this paper,— — t 'I’j'pc or eo-types examined. 
Microcerotermes serratus (Froggatt). 
I’roc. linn. 8oc. N.S.W., Vol. xxii, 1897 (nec Haviland, Jr. Linn. 
Soc. Lond., Vol. xxvi, 1898). 
Plate 11., figs. 57-63 ; Plate V., fig 179 ; Plate VI 11., fig. 180. 
Imago. 
Co/nwr.- Plead and tliorax dark bay ; abdomen and pleura a 
little ligbter ; jiostclypeus much lighter than head (Sudan brown), 
antecly})eus hyaline ; labrum yellow ; antennae, palpi and legs 
Dresden brown, coxae, femora arid tibiae suffused with much darker 
brown ; sternites of abdomen mummy brown ; wings light fuscous. 
Head. -Small, hemispherical behind the eyes, narrowed from the 
eyes to the base of the clypeus ; very setaceous, a few of the setae, 
especially near the eyes, very long. Labrum narrow at the base, 
swelling out on the sides to the rounded apex, the. a]iex and sides 
hyaline, a few long and numerons short setae about tlie middle. 
Clypeus large, markedly convex, hemispherical behind, straight in 
front, moderately setaceous, suture distinct. Eyes small, prominent, 
circular (0‘221 X 0'221), separated from the lower margin of the 
head by a space equal to the short diameter of the ocelli. Ocelli 
small, broadly oval, well separated from the eyes. Antennae (Fig. 
[ 60 ] 
