how is the climate like of the last place mentioned?
The climate of Siberia varies dramatically, but it typically has short summers and long, brutally cold winters.
Siberia
The climate of Siberia varies dramatically, but it typically has short summers and long, brutally cold winters. 
are canadian soldiers and mayflies the same thing No, Mayflies  are aquatic insects belonging to the order Ephemeroptera. what is mayfly? They are aquatic insects belonging to the order Ephemeroptera. how do these type of insects breath? UNANSWERABLE who was the first person to discover these insects? The oldest mayfly inclusion in amber is "Cretoneta zherichini" (Leptophlebiidae) from the Lower Cretaceous of Siberia.
wiki:19614885
Siberia [SEP] Climate
The climate of Siberia varies dramatically, but it typically has short summers and long, brutally cold winters. On the north coast, north of the Arctic Circle, there is a very short (about one month long) summer. Almost all the population lives in the south, along the Trans-Siberian Railway. The climate in this southernmost part is Humid continental climate (Köppen "Dfb") with cold winters but fairly warm summers lasting at least four months. The annual average is about . January averages about and July about while daytime temperatures in summer typically are above . With a reliable growing season, an abundance of sunshine and exceedingly fertile chernozem soils, southern Siberia is good enough for profitable agriculture, as was demonstrated in the early 20th century.