Description. Small yellow Head like structures protruding from the ground Making a right angle, Sometime solitary sometimes in pairs. Head only 5 mm X 3mm and Smaller. Stalk tread like, 3cm to 12 cm long yellow becoming orange then white, When dug up you will find the fungi protruding from the thorax of species Vespula maculifrons. Smaller heads protrude from what appears to be a smaller, worker class. Those structures are some what small can be rounded and flattened or lobed. If found protruding from a larger female or male wasp they are usually in Pairs the heads are well formed into slightly oblong rounded fruiting bodies.