1925] Mystery of “Trilobite Larvce ” Definitely Solved 
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of luminous spots or organs in any of them. The very same 
thing applies to all the various “trilobite-larvae” I have handled 
in a living state. 
As it is hardly credible that Shelford had access to any other 
“trilobite-larvse” than those that I have seen, I think we can 
safely conclude that he has based his statement on a Lampyrid 
larva, many of which occur in Borneo, some reaching a fair size. 
I therefore maintain that so far no definite and convincing 
statement about luminous Lycids exists. 
The First Known Male And Female Of The 
“Trilobite-Larv^ . ’ 1 
Duliticola gen. nov. 
cf : Somewhat allied to the genus Dihammatus but differing 
by having more strongly developed and more curved mandibles, 
the 2nd and 3rd joint of antennae more sharply set off from the 
Fig. 1. Male of Duliticola paradoxa op. nov. A, head and prothorax from above; B, outline 
of elytra; C, antenna; D, genitalia. 
