248 MR. R. SHELFORD ON MIMETIC INSECTS AND [Nov. 4 
through the fine collection in the Hope Department, two chief 
types of deceptive coloration were seen to be predominant, viz., 
that of Mutillide and Cantharide. While the constant repetition 
of a single very distinctive Hymenopterous type is remarkable, it 
must not be for gotten that the Cantharid appearance, orange 
with black transverse bands, is furthermore strongly suggestive of 
one of the commonest and most conspicuous types of colouring in 
the Hymenoptera Aculeata. In addition to these predominant 
types other deceptive resemblances were common, viz., to Phyto- 
phaga, Lycide, ants, and apparently, in the case ‘ef certain 
Australian species, to Cetoniidee. All the species of the interesting 
genus Allochotes (Westw.) were Coccinelliform. The interesting 
question arises as to whether these resemblances are Batesian 
(pseudaposematic) or Miillerian (synaposematic). The latter 
interpretation is strongly supported by the inter esting discovery 
by Mr. Shelford of the mimicry by the Longicorn Daphisia of two 
species of the Clerid genus Callimerus, possessing an independent 
warning coloration. The conspicuous appearance, abundance, 
and habits of the species of this genus are entirely consistent 
with the explanation of their colours and pattern as aposematic. 
Fig. 49 on Plate XXIIT. shows a Clerid, Z%llicera sp., resembling 
a Mutillid, near Urania (Sm.) (fig. 48); fig. 52a Clerid, Tenerus 
sulcipennis (Gahan), resembling a Lycid, ”Metriorrh ynchus atro- 
Juscus (fig. 50 & 51); while figs. 53 and 54 show the Clerid species 
of Callimerus resembled by the Longicorn. The whole group was 
obtained by Mr. Shelford from the vicinity of Kuching, and it 
strongly suggests that the Clerid mimics (figs. 49 & 52) are really 
synaposematic. —KE. B. P.] 
In the Cerambycide, Collyrodes lacordairei (Pasc. i is the most 
remarkable mimic of the Cicindelan genus Collyris. Sclethrus 
amenus (Gory) is also remarkably like ‘the genera Tricondyla and 
Collyris with its dark blue body and bright red legs, of which the 
hind pair are considerably elongated (compare “fig. 11 with 5 
and 3 on Plate XIX.). It is much less common than its model, 
but is found in the same situations and always tries to escape its 
captor by running swiftly just like the Tricondyla. The other 
five species mentioned in this section of the table, Zphies dilati- 
cornis (Pase. )s the three species of Hrythrus, and Pyr = eximius 
(Pase.), mimic species of the Lycide (see group of figs. 4 to 8, 
12, 19, Plate XXIII). P. eximius with its elongated ‘prothorax 
is perhaps less Lycid in appearance than the other species. 
Erythrus vir idipennis, with black head, red thorax, and green 
elytra, is a mimic of one of the Melyride, similarly colour ed, 
Prionocerus ceruleipennis (Perty) (Plate XXIII. figs. 58 & 59). 
All these species of Erythrus were taken in great abundance on 
Mt. Matang, and I am strongly of opinion that the entire sub- 
family Pyrestine is a distasteful one: the mimicry in this case 
is therefore Miillerian. phies dilaticornis, on the other hand, I 
am inclined to regard as a Batesian mimic; it 1s rare, a closer 
mimic, and belongs to an essentially mimetic subfamily (ef. 
Table ITT.). 
rn) 
