M 77
The results obtained from search are shown in the following
Table:-
KONGS. WOODEN BARRELS, IRON TANKS. No. of Houses. Storage receptacle empty or not. Half full. Full. Half full. Full. Half full. Full. 883 274 369 58 131 24 88 115 No. of samples of larvæ found. 30 12 1 5 1From the above two Tables it is seen that 1,110 kongs, barrels or tanks used for storing drinking water were examined and that in 59 of these larvæ were found. In no case were any stegomyia fasciata bred out from these larvæ. Scutellaris and a few culex fatigans only were obtained.
All the results so far show that the City of Victoria is not for practical purposes infected with stegomyia fasciata, Kowloon on the other hand is definitely infected with the fasciata. The different system of water supply in these two places is considered to be responsible for this state of affairs.
Tabanida. The number of species determined by the Imperial Bureau of Entomology from the collection made in collaboration with Mr. Adam Gibson, M.R.C.V.S., Colonial Veterinary Surgeon, now amounts to sixteen. They are as follows:-
Named specimens of these species are preserved in this Institute for reference by any one interested in this important family of biting flies.
M 77
The results obtained from search are shown in the following
Table:-
KONGS.
WOODEN BARRELS,
IRON TANKS.
No. of Houses.
Storage receptacle empty
Half full.
Full. Half full.
Full. Half full. Full.
or not.
883
274
369
58
131
24
88
115
No. of samples
of larvæ found.
30
12
i
5
1
►
From the above two Tables it is seen that 1,110 kongs, barrels or tanks used for storing drinking water were examined and that in 59 of these larvæ were found. In no case were any stegomyia fasciata bred out from these larvæ. Scutellaris and a few culex fatigans only were obtained.
All the results so far show that the City of Victoria is not for practical purposes infected with stegomyia fasciata, Kowloon on the other hand is definitely infected with the fasciata. The different system of water supply in these two places is considered to be responsible for this state of affairs.
Tabanida. The number of species determined by the Imperial Bureau of Entomology from the collection made in collaboration with Mr. Adam Gibson, M.R.C.V.s., Colonial Veterinary Surgeon. now amounts to sixteen. they are as follows:-
1. Chrysops dispar, F.
2. Chrysops mlekosiewiczi, Big.
3. Tabanus albimedius, Walk.
1.
5.
+
6.
รา
7.
8.
*
9.
10.
crassus, Walk.
ditaeniatus, Macq.
flavothorax. Ric, var.
hilaris, Walk.
hongkongiensis, Ric. sp. n.
hybridus, Wied.
indianus, Ric.
11
11.
">
jucundus, Walk.
12.
11
macfarlanie, Ric. sp. n.
13.
17
mandarinus, Schiner.
14.
35
15.
}}
rubidus, Ric.
16.
39
negativus, Ric.
sanguineus, Walk.
Named specimens of these species are preserved in this Institute for reference by any one interested in this important family of biting flies.
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