Germination of seeds of New World Urostigma (Ficus) and of Morus rubra L. (Moraceae)

by Ramírez B., William
Published 1976

El chirrido o silbido de las reinas vírgenes de la abeja común (Apis mellifera L.)

by Ramírez B., William
Published 1975

Evolution of the mandibular appendage in fig wasps (Hymenoptera: Agaonidae)

by Ramírez B., William
Published 1991

Hybridization of Ficus religiosa with F. septica and F. aurea (Moraceae)

by Ramírez B, William
Published 1994

An easy method for recording size and configuration of zoological structures.

by Ramírez B., William
Published 1988

Ficus microcarpa L., F. benjamina L. and other species introduced in the New World, their pollinators (Agaonidae) and other tig wasps

by Ramírez B., William
Published 1988

A hypothesis on the functions of juvenile hormone of host in sexual maturation and oviposition of Varroa jacobsoni (Acari: Mesostigmata: Varroidae)

by Ramírez B., William
Published 1986

Biological Analogies Between Some fig-wasps (Hymenoptera: Agaonidae and Toryrnidae: Sycophaginae) and Varroa jacobsoni (Acari: Varroidae)

by Ramírez B., William
Published 1987

Hibridación interespecífica en passiflora (Passifloraceae), mediante polinización manual, y características florales para la polinización.

by Ramírez B., William
Published 2006

Fig wasps: mechanisms of pollen transfer in Malvanthera and Pharmacosycea figs (Moraceae)

by Ramírez B, William, Malavasi, Jollyanna
Published 1997

Infestation levels of the mite Varroa jacobsoni in worker and drone honey bee (Apis mellifera) brood in France and Brazil

by Ramírez B, William, Navarro F., Juan R
Published 1993