Fredrik Ronquist Professor in Systematic Zoology, Head of Department Currently at Florida State University, Tallahassee, Florida

Fredrik Ronquist

Research Projects:

Theoretical systematics: Coevolutionary and biogeographic inference methods, sampling strategies, coding methods, parsimony algorithms, and more.

Phylogeny, systematics, and evolution of cynipoid wasps: Comparative morphology, higher-level phylogeny, and evolution of gall wasps and their parasitic relatives.

Recent publications:

Ronquist, F. 1995a. Ancestral areas revisited. Syst. Biol. 44: 572-575.

Ronquist, F. 1995b. Phylogeny and classification of the Liopteridae, an archaic group of cynipoid wasps (Hymenoptera). Ent. scand. Suppl. 46: 1-74.

Ronquist, F. 1995c. Phylogeny and early evolution of the Cynipoidea (Hymenoptera). Syst. Ent. 20: 309-335.

Ronquist, F. 1996a. DIVA, ver. 1.1. Computer program avilable by anonymous ftp via this home page. Uppsala University, Uppsala.

Ronquist, F. 1996b. Matrix representation of trees, redundancy, and weighting. Syst. Biol. 45: 247-253.

Ronquist, F. 1996c. Reconstructing the history of host-parasite associations using generalised parsimony. Cladistics 11: 73-89.

Nordlander, G., Z. Liu, and F. Ronquist. 1996. Phylogeny and historical biogeography of the cynipoid wasp family Ibaliidae (Hymenoptera). Syst. Ent. 21: 151-166.

Ronquist, F. 1997. Dispersal-vicariance analysis: A new approach to the quantification of historical biogeography. Syst. Biol. 46(1): 195-203.

Ronquist, F. 1998a. Phylogenetic approaches in coevolution and biogeography. Zoologica Scripta 26:313-322.

Ronquist, F. 1998b. Three-dimensional cost-matrix optimization and maximum copseciation. Cladistics 14:167-172.

Ronquist, F. 1998c. Fast Fitch-Parsimony algorithms for large data sets. Cladistics 14:387-400.

Ronquist, F. 1999a. Phylogeny of the Hymenoptera: The state of the art. Zoologica Scripta 28:3-11.

Ronquist, F. 1999b. Phylogeny, classification and evolution of the Cynipoidea. Zoologica Scripta 28:139-164.

Ronquist, F. , Rasnitsyn, A. P., Roy, A., Eriksson, K. & Lindgren, M. 1999. Phylogeny of the Hymenoptera: A cladistic reanalysis of Rasnitsyn's 1998 data.

Software: Visit the DIVA homepage.

Software: Visit the TreeFitter homepage.

Software: Visit the MrBayes homepage.

Download Character matrices:

Hymenoptera matrix. Simple text document with NEXUS-format character matrix from the reanalysis of Rasnitsyn's 1988 data on the phylogeny of the Hymenoptera (Ronquist et al. 1999).