144 
FUllTH RR 1LLUSTRATIONS OF 
Species Unica. ENTELES BICOLOR. JVes/w. 
(Plate 82, fig. 1.) 
Th. (Ent.) niger, mandibulis tliorace et pedibus rufis Longi corp. fere lin. 4. 
Habitat King George’s Sound. Mus. 'Westwood, 
The head is black and punctured; the mandibles red, and not 
bearded beneath: they are entire along the inner margin. Tlie 
antennm are short and black; the thorax is strongly punctured 
above, as is also the abdomen, which is entirely black, except the 
terminal deflexed segment, which is pitchy-red at its extremity. 
All the segments haye a carinated stria across, near the hinder 
margin, and the second segment is also marked wdth five or six 
similar strim across its disc. The apical segment is obtusely trun¬ 
cate, deflexed, and longitudinally striated, emitting the aculeus 
from its lower extremity. The legs are red, robust, and apparently 
formed for burrowing. 
EIRONE, JVesiw, 
Mas, alatus. Labrum ciliatiim clypeo baud absconditum. MandibulsB intas dente siibapicali 
histructce (pi. 82, fig. 5 a), Maxillie, lobo apicali in duas partes baud diviso, palpi perfect! 
6-articulati (fig. 5 b). Palpi labiales, 4-articulaU articulis sensim decrescentibus (fig. 5 c) 
abdomen elonguto-ovatuiii apice integrum baud spinosimi (fig. 5 e). Alarum Tense ut in 
Thyimis disposita? vena spuria in ccllula Ima submarginali fcrc obliterata. Pedes graciles 
nnguibus apicc bifidis (fig. 5 d), 
Fcemina, aptei-^ Caput oblongum planum ; oculi lateralcs, fere ad angulos anticos positi. 
Ocelli O, Antenna? foro in raargine antico capitis afiSxm (fig. G «) convoluta. Labrum 
clypeo baud absconditum setosum. Mandibulm (fig. G a) dente interne fere ad apicem 
instructsB, parum curvatm ct vix setoscc. Maxillae parva? palpls graciiibus 4*articulatis 
articulo lino minimo (fig. 0 b). Mcntiim ovale compressum* Labium omnino retractum, 
palpi labiales 4*articulati (fig. 6 c) articulo ultimo longiori. Thorax depressus oblongus 
3-partitus, mesotborace parvo; abdomen elongatum depressum apice aculeo exserto 
instructum (figs. 6’^ 6^). Pedes ut videtur fossorii, tibiis anticis crassis bicalcaratis 
tarsi antici articulo basali curvato curvatura serie spinularum depressarum instnicta 
(fig. 6 d). Ungues basi dilatati (fig. C e). 
Species Unica. EIRONE DISPAR, IVesiw. 
(Plate 82, figs. 5^,6 $.) 
Mas. E. Niger nitidus punctatus alis limpidis. Long. corp. lin. 4f. Expans. alar. lin. /. 
Prcmina. Fulvescens teuuissirae punctata. Long. corp. lin. 2^. 
The great diversity between the two insects represented in 
Plate 82, figures 5 and 6, and the similarity of the winged indi¬ 
vidual to the male Thynni, and of the apterous one to the genus 
Scleroderma, would have made me hesitate in publishing them as 
the sexes of one species, were I not convinced that entire reliance 
might be placed on the observations of Mr. Fortnum, by whom 
they were collected at Adelaide, in Southern Australia, and for¬ 
warded to Mr. Hope, during the present year. 
