Gwas neidr o deulu'r Gomphidae (neu'r 'Gweision neidr tindrom') yw'r Gomphus borealis. Fel llawer o weision neidr, ei gynefin yw pyllau o ddŵr, llynnoedd, nentydd neu afonydd.
Gwas neidr o deulu'r Gomphidae (neu'r 'Gweision neidr tindrom') yw'r Gomphus borealis. Fel llawer o weision neidr, ei gynefin yw pyllau o ddŵr, llynnoedd, nentydd neu afonydd.
Phanogomphus borealis, the beaverpond clubtail, is a species of clubtail dragonfly in the family Gomphidae. It is found in the northeastern United States and southeastern Canada.[1][2][3][4]
Phanogomphus was formerly considered to be a subgenus of Gomphus, but phylogenetic studies have resulted in its promotion to genus rank.[3]
Phanogomphus borealis, the beaverpond clubtail, is a species of clubtail dragonfly in the family Gomphidae. It is found in the northeastern United States and southeastern Canada.
Phanogomphus was formerly considered to be a subgenus of Gomphus, but phylogenetic studies have resulted in its promotion to genus rank.
