Systematics

Molecular Phylogeny of Melanopline Grasshoppers (Orthoptera: Acrididae): The Genus Melanoplus.
W. Chapco, W. R. Kuperus, and G. Litzenberger . . . . 617

Two New and Highly Apomorphic Species of the Lasioglossum Subgenus Evylaeus (Hymenoptera: Halictidae) from Central America.
Bryan N. Danforth and William T. Wcislo . . . . 624

A Cladistic Analysis of the Phoracanthine Genus Phoracantha Newman (Coleoptera: Cerambycidae: Cerambycinae), with Discussion of Biogeographic Distribution and Pest Status.
Qiao Wang, Ian W. B. Thornton, and Tim R. New . . . . 631

Distinguishing Between the Two Sympatric Species Bactrocera carambolae and B. papayae (Diptera: Tephritidae) Based on Aedeagal Length.
Osamu Iwahashi . . . . 639

Revision of Tabuda Walker and Tabudamima Irwin & Lyneborg, with the Description of a New Genus Incoxoverpa Webb & Irwin (Diptera: Therevidae: Therevinae).
D. W. Webb and M. E. Irwin . . . . 644

Taxonomy of New World Columbicola (Phthiraptera: Philopteridae) from the Columbiformes (Aves), with Descriptions of Five New Species.
Dale H. Clayton and Roger D. Price . . . . 675

Tumbling Flower Beetles (Coleoptera: Mordellidae) of the Virgin Islands with Descriptions of New Species.
Wenhua Lu and Michael A. Ivie . . . . 686

Ecology and Population Biology

Placement of Noctuidae Eggs (Lepidoptera) on Soybean Plants.
M.C.G. Pansera-de-Araujo, I.B.M. da Cruz, M. Cavalheiro, and A. K. deOliveira . . . . 702

Life Cycle and Social Behavior in a Heathland Population of Exoneura robusta (Hymenoptera: Apidae): Habitat Influences Opportunities for Sib Rearing in a Primitively Social Bee.
Adam L. Cronin and Michael P. Schwarz . . . . 707

Qualitative Evaluation of Damage by Epiblema strenuana (Lepidoptera: Tortricidae) to the Weed Parthenium hysterophorus (Asteraceae).
A. Raman and K. Dhileepan . . . . 717

How General are Aphid Responses to Elevated Atmospheric CO²?
T. M. Bezemer, K. J. Knight, J. E. Newington, and T. H. Jones . . . . 724

Genetics

Analysis of the Genetic Structure of a Natural Population of Anastrepha fraterculus (Diptera: Tephritidae).
Andrea C. Alberti, Graciela Calcagno, Beatriz O. Saidman, and Juan C. Vilardi . . . . 731

Suitability of Polymerase Chain Reaction-Based Approaches for Identification of Different Gypsy Moth (Lepidoptera: Lymantriidae) Genotypes in Central Europe.
Annette Reineke and Claus P. W. Zebitz . . . . 737

Genetic Variation and the Potential for Host Range Evolution in the Leafmining Fly Amauromyza flavifrons (Diptera: Agromyzidae).
Sonja J. Scheffer . . . . 742

Behavior

Adult Emergence and Reproductive Behavior of the Leafcurling Midge Dasineura mali (Diptera: Cecidomyiidae).
M. O. Harris, L. D. Galanihe, and M. Sandanayake . . . . 748

Interspecific Mating of Introduced, Sterile Bactrocera dorsalis with Wild B. carambolae (Diptera: Tephritidae) in Suriname: a Potential Case for Cross-Species Sterile Insect Technique.
D. O. McInnis, P. Rendon, E. Jang, A. van Sauers-Muller, R. Sugayama, and A. Malavasi . . . . 758

Host-Finding Behavior of Dinoderus bifoveolatus (Coleoptera: Bostrichidae), an Important Pest of Stored Cassava: the Role of Plant Volatiles and Odors of Conspecifics.
Christian Borgemeister, Kerstin Schfer, Georg Goergen, Symphorien Awande, Mamoudou Setamou, Hans-Michael Poehling, and Dagmar Scholz . . . . 766

Book Review

The Biology of Camel-Spiders (Arachnida: Solifugae) by Fred Punzo
Reviewed by Joseph Beatty . . . . 772