@book {snodgrass_principles_1993,
	title = {Principles of Insect Morphology},
	year = {1993},
	publisher = {Cornell University Press},
	organization = {Cornell University Press},
	isbn = {978-0-8014-8125-3},
	url = {https://www.jstor.org/stable/10.7591/j.ctv1nhm1j},
	author = {Snodgrass, R. E.}
}
@article {howden_revision_1993,
	title = {Revision of the Mesoamerican species of Airosimus Howden (Coleoptera: Curculionidae)},
	journal = {The Coleopterists Bulletin},
	volume = {47},
	number = {3},
	year = {1993},
	note = {Number: 3},
	pages = {249{\textendash}267},
	abstract = {The genus Airosimus Howden is revised for Mesoamerica. Seven species are included: A. andersoni n. sp. (Costa Rica), A. boops (Champion) (Costa Rica, Panama), A. callifer (Voss) (Costa Rica, Mexico), A. erubescens (Champion) (Costa Rica, Panama), A. kissingeri n. sp. (Mexico), A. merulis Howden (Costa Rica), and A. pelodus (Warner) (Costa Rica). A neotype is designated for Pandeleteius callifer Voss. The type locality of A. lucileae Howden is corrected from Sabanilla, Costa Rica, to Sabanilla, Ecuador. The female genitalia of Airosimus are described and related to features of the male genitalia.},
	issn = {0010-065X},
	url = {https://www.jstor.org/stable/4009017},
	author = {Howden, Anne T.}
}
