Betula alleghaniensis Betula alleghaniensis Betula alleghaniensis, the yellow birch or golden birch, is a large and important lumber species of birch native to North-eastern North America. Its vernacular names refer to the color of the tree's bark. The name "Betula lutea" was used expansively for this tree but has now been replaced. "Betula alleghaniensis" is the provincial tree of Quebec, where it is commonly called "merisier", a name which in France is used for the wild cherry. It is a medium-sized, typically single stemmed, deciduous tree reaching tall (exceptionally to ) with a trunk typically in diameter. Yellow birch is a relatively
Mesoraphidiidae genera. Mesoraphidiidae are similar in overall appearance to modern snakefly species, having an elongated prothorax, giving a snake-like profile and from which the common name snakefly is derived. The family was likely tree-dwelling by nature, with larvae being active predators in trunks and branches. Female mesoraphidiids, where known and complete enough, have a long and densely annultated ovipositor which would have been used to lay eggs in crevices of bark. The family was restricted to the Northern Hemisphere, living in the warm temperate and paratropical forest belt that covered portions of Eurasia and North America. As currently described, Mesoraphidiidae contains