- Cenophengus pedregalensis Zaragoza-Caballero, 1975
Holotype: ♂. MEXICO: Distrito Federal, Pedregal San Ángel, 11/VIII/1969. Col. S. Zaragoza.
Conservation status: Complete, well-preserved.
Paratypes: 7 ♂. Ídem. 12/VIII/1 968.
Conservation status: Complete; the abdomen of one specimen is glued on a triangle; the antenna of one specimen is mounted on the label; the head of another specimen is mounted on a triangle; and the leg of another specimen is mounted on a triangle.
Paratypes: 7 ♂. Ídem. 15/VIII/1 969.
Conservation status: Complete, antenna of one specimen mounted on a triangle and also the head of one another.
Paratypes: 7 ♂. MEXICO: Distrito Federal, C.U., Jardin Botánico 10/X/1969. Col. S. Z. C.
Conservation status: Complete, well-preserved.
Paratypes: 4 ♂. Ídem. 13/X/1970. Col. H. P. R.
Conservation status: Complete, well-preserved.
Paratypes: 1 ♂. Ídem. 2/VIII/1969. Col. S. Z. C.
Conservation status: Complete, leg of one specimen glued on a triangle. Paratypes: 12 ♂. Ídem. 21/VIII/1969. Col. H. G. A.- S. Z. C.
Conservation status: Complete, well-preserved.
Paratype: 1 ♂. Ídem. 21/X/1970. Col. S. Z. C.
Conservation status: Complete, well-preserved.
Paratype: 1 ♂. Ídem. 22/X/1968. Col. S. Z. C.
Conservation status: Complete, well-preserved.
Paratypes: 4 ♂. Ídem. 23/X/1970. Col. S. Z. C.
Conservation status: Complete, well-preserved.
Paratypes: 2 ♂. Ídem. 27/X/1970. Col. H. P. R.
Conservation status: Complete, well-preserved.
Paratypes: 3 ♂. Ídem. 27/X/1970. Col. S. Z. C.
Conservation status: Complete, well-preserved.
Paratypes: 9 ♂. Ídem. 28/IX/1968. Col. S. Z. C.
Conservation status: Complete, well-preserved. The head of one specimen mounted on a triangle. Paratype: 1 ♂. Ídem. 3/X/1968. Col. S. Z. C.
Conservation status: Complete, well-preserved.
Paratype: 1 ♂. Ídem. 5/X/1969. Col. L. V. G.
Conservation status: Complete, well-preserved; antenna mounted on a triangle. Paratypes: 17 ♂. Ídem. 5/X/1969. Col. S. Z. C.
Conservation status: Complete, well-preserved; the head of some specimens mounted on a triangle. Paratypes: 8 ♂. Ídem. 5/XI/1968. Col. L. V. G., S. Z. C.
Conservation status: Complete, well-preserved; the head of one specimen mounted on a triangle. Paratype: 1 ♂. Ídem. 6/X/1969. Col. S. Z. C.
Conservation status: Complete, well-preserved.
Paratypes: 8 ♂. Ídem. 6/X/1970. Col. H. G. A., S. Z. C.
Conservation status: Complete, well-preserved.
Paratypes: 7 ♂. Ídem. 7/VIII/1969. Col. S. Z. C.
Conservation status: one specimen complete, well-preserved; leg of two specimens glued on a triangle. Paratypes: 3 ♂. Ídem. 8/IX/1969. Col. L. V. G.
Conservation status: Complete, well-preserved.