Morphological Terminology and Abbreviations.

These list the items I use in my Macrosiphum papers, so that I don’t have to publish them over and over in species descriptions.

• a.s. = antennal segment
• a.s. VIa = basal part of antennal segment VI
• a.s. VIb = apical part of antennal segment VI, often called the processus terminalis
• URS = ultimate rostral segment
• metatarsal II = second segment of the hind tarsus
• siphunculus = cornicle
• sensorium = rhinarium of authors
• fundatrix/fundatrices = wingless stem mother/s
• aptera/apterae = wingless viviparous female/s
• alata/alatae = winged viviparous female/s
• ovipara/oviparae = wingless egg-laying female/s
• BMNH = The Natural History Museum, London
• CNC = Canadian National Collection, Ottawa
• USNM = National Collection of Aphidoidea, Beltsville, MD
• ASJ = Aphidman’s collection, Lakeview, OR