ISSN 1911-2173


Glossary Head ABCDEFGHIJKLMNOPQRSTUVWXYZ Elytra ABCDEFGHIJKLMNOPQRSTUVWXYZ Other ABCDEFGHIJKLMNOPQRSTUVWXYZ Head A angulate: Antennal sutures with angulate peaks and valleys. antennal club sutures: Lines dividing antennal club into three antnnomeres. Figure shows two angulate sutures near middle of oval club. B bisinuate: Antennal sutures curved through multiple peaks and valleys. C central carina: Ridge or elongate tubercle at midline of frons (circled). Not part of epistomal tubercles. […]

Ips acuminatus

Scientific Name Ips acuminatus (Gyllenhal, 1827) Synonyms Bostrichus geminatus Zetterstedt, 1828 Tomicus heydeni Eichhoff, 1884 Diagnostic notes -Differs from all other European Ips spp. by the elytral declivity having three spines, of which the spine 3 is flattened and emarginate in males.-Differs from the North American species I. emarginatus (5.5–7.0 mm) and I. knausi (4.9–6.5 mm) by its smaller size (2.2–3.9 mm).-Differs from sister species I. chinensis by wider separation of spines 2 and […]