Aspergillus striatulus (also named Apsergillus striatus) is a species of fungus in the genus Aspergillus. It is from the Nidulantes section. The species was first described in 1985. It has been isolated from mangrove mud in the Kagh Islands. It has been reported to produce asperthecin, aurantioemestrin, cycloisoemericellin, desferritriacetylfusigen, dithiosilvatin, emindol SA, emindol SB, 7-Hydroxyemodin, paxillin, 1-O-acetylpaxillin, penicillin G, sterigmatocystin, violaceic acid, violaceol I, and violaceol II.
A. striatulus has been cultivated on both Czapek yeast extract agar (CYA) plates and Malt Extract Agar Oxoidî (MEAOX) plates. The growth morphology of the colonies can be seen in the pictures below.