CC BY -NC-ND 4.0
This means :
You can use and share the files only if you give attribution, use them noncommercialy and if you edit them graphically keep them for youself without distribuiting them in any form.

The archive contains :

ant1.tga
ant2.tga 
spider1.tga
spider2.tga
spider3.tga
web1.tga
web2.tga
web3.tga
web4.tga
web5.tga
web6.tga
Read me.txt 

made by Roarke.

https://roarkes-kingpin-life-of-crime-mapping.blogspot.com/2018/08/halloween-insects-and-webs.html