NEOCOCCOID

• Main Author: Hodgson, Chris
• Format: Text
• Language: unknown
• Published: Zenodo 2020
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Hemiptera; Eriococcidae; Rhizoecidae; Pseudococcidae; Greenland; Pacific; Indian; New Zealand; Queensland; Fuller; Seta; Morrison; Gonzalez; Torre; Hodgson; Morales; Campbell Island; Ferris; Vestnik; Alar; Kondo; Puto; Boyer
• Online Access: https://dx.doi.org/10.5281/zenodo.3796758; https://zenodo.org/record/3796758

KEY TO EXTANT NEOCOCCOID HIGHER TAXA (MAINLY FAMILIES AND SUBFAMILIES) BASED ON ADULT MALE MORPHOLOGY Macropterous and most brachypterous males. (Note: this key includes all neococcoid families except Halimococcidae, Micrococcidae, Phoenicococcidae and Xenococcidae, the known males of which are all apterous – see key for apterous males below). 1. Compound eyes present. Abdominal spiracles generally present on at least some segments, each generally quite obvious, with a clearly sclerotised atrium or peritreme. Wings without microtrichia. Glandular pouches on abdominal segment VIII absent. Post-tergites, when present, generally lying more or less longitudinally along prothorax. Triangular plate absent........................................................................................... ARCHAEOCOCCOIDS - Compound eyes absent, replaced by various arrangements of small, simple unicorneal eyes. Abdominal spiracles present (taxa close to Phenacoleachia ) or absent; when present, atrium or peritreme extremely difficult to detect, presence generally indicated by branching tracheae in some or all abdominal segments. Wings with microtrichia. Frequently with a pair of glandular pouches laterally on abdominal segment VIII. Post-tergites, when present, lying transversely, parallel to anterior margin of scutum/prealare. Triangular plate present................................................................... 2 2. Simple, unicorneal eyes in a band 1, 2 or more eyes wide around head, each ocular sclerite generally with 5 or more simple eyes. Scutum without a quadrate membranous area lying dorsally between prescutum and scutellum............................................................................... Phenacoleachia , Puto , Steingelia , and Pityococcus - Simple, unicorneal eyes present either in a band only 1 eye wide, each ocular sclerite generally with 4 or fewer simple eyes or, most frequently, with only a dorsal pair and a ventral pair. If 4 or 5 pairs of simple eyes present (Kermesidae and some Coccidae), then scutum with a quadrate membranous area between prescutum and scutellum dorsally … NEOCOCCOIDS.... 3 3. Scutum without a distinct, quadrate membranous area between prescutum and scutellum, although some areas of scutum may be membranous. Ocular sclerite and genae without polygonal reticulations (although with striations or concentric ridges often present around simple eyes)............................................................................. 4 - Scutum with a distinct, quadrate membranous area between prescutum and scutellum, with lateral margins generally demarcated by narrow sclerotised ridges. Ocular sclerite and genae with polygonal reticulations (though sometimes modified).. 16 Scutum without a distinct, quadrate membranous area between prescutum and scutellum 4. Bifurcated setae never present on tarsi. Penial sheath of various shapes but rarely broad basally and then narrowing abruptly to a long, narrow shaft, 3 or more times longer than broad basal section............................................ 5 - Bifurcated setae present on tarsi (these may be hard to see on some specimens). Penial sheath very long, broad basally and then narrowing abruptly to a long, narrow shaft, 3 or more times longer than broad basal section......................... 15 5. Claw digitules setose. Claw long, narrowing gradually to a sharp apex. Antennae with capitate setae restricted to apical segment. Postoccipital ridge absent or poorly developed, and then slender, V- or U-shaped. Lateropleurite narrow. Wing sensoria and alar setae often present. Trochanter with a Y-shaped ridge distally. Glandular pouches, when present, with more than 2 setae............................................................................................... 6 - Claw digitules capitate. Claw broad at base, abruptly tapering towards apex (except Dactylopius ). Antennae often with capitate setae on all or most flagellar segments. Postoccipital ridge, when present, strong and laterally forked. Lateropleurite broad. Wing sensoria and alar setae generally absent. Trochanter without a Y-shaped ridge distally. Glandular pouches, when present, with only 2 setae..................................................................................... 8 6. Head with a pair of ocelli in addition to two pairs of simple eyes. Postocular ridge generally distinct. Postoccipital ridge generally distinct. Dorsal and ventral mid-cranial ridges usually well developed. Neck well developed between head and prothorax. Pronotal ridge and pronotal sclerite present. Propleural ridge well developed as a proepisternum + cervical sclerite which extends anteriorly to reach postocular ridge. Metaprecoxal ridge well developed. Ostioles between abdominal segments VI and VII often present. Glandular pouches usually present on abdominal segment VIII and occasionally also on segment VII. Generally macropterous, although occasionally brachypterous or apterous … PSEUDOCOCCIDAE Westwood.......... 7 - Head without ocelli, although two pairs of simple eyes generally present. Postocular ridge absent although a faint line occasionally present marking posterior margin of ocular sclerite. Dorsal mid-cranial ridge absent. Ventral mid-cranial ridge poorly developed or absent. Neck entirely absent. Pronotal ridge and pronotal sclerite absent. Propleural ridge well developed but short, only extending anteriorly about half-way to head. Metaprecoxal ridge absent. Ostioles absent. Glandular pouches absent, although 1 or more long setae may be present in this position on abdominal segment VIII. Possibly mostly apterous or brachypterous, occasionally macropterous........................................... RHIZOECIDAE Williams (Figs 2–5) 7. With two pairs of glandular pouches, one pair on abdominal segment VII and other on VIII (only 1 pair on Rastrococcus spp). Preocular ridge ventrally long and distinct. Loculate pores usually present dorsally and along margins of abdomen in addition to those associated with glandular pouches. Lateropleurite broad. Penial sheath with a distinct constriction about half-way along length. Penial sheath without a distinct ventral slit extending to basal rod............ PHENACOCCINAE Šulc (Figs 8, 9) - Either without glandular pouches or with only a single pair on segment VIII. Preocular ridge absent ventrally. Loculate pores mainly restricted to abdominal margins and glandular pouches. Lateropleurite narrow. Penial sheath tending to narrow gradually, without a distinct constriction about half-way along length. Penial sheath with a distinct ventral slit extending to basal rod............................................................ PSEUDOCOCCINAE Cockerell (Figs 10–13) 8. Sensilla on each side of trochanter roundish and more or less forming a triangle. Antennae with 10 segments............ 9 - Sensilla on each side of trochanter rather oval to elongate and more or less in a straight line. Antennae with 9 or fewer segments............................................................................................. 12 - 9. Glandular pouch setae very short, less than 1/4 length of penial sheath, each with a blunt apex. Postoccipital ridge absent. Interocular ridge present. Claw long and narrow. Interocular ridge present.......... DACTYLOPIIDAE Costa (Figs 24, 25) - Glandular pouch setae, when present, much longer and setose. Postoccipital ridge well developed, with lateral anterior and posterior extensions. Claw broad at base, abruptly tapering towards apex. Interocular ridge absent..................... 10 10. Hamulohalteres usually present (except Ovaticoccus ). Postmesospiracular setae present or absent. Capitate setae present on at least some antennal segments.......................................................................... 11 - Hamulohalteres absent. Postmesospiracular setae absent. Capitate setae absent on all antennal segments....................................................................................... Apiomorpha Rübsaamen (Figs 19–23) 11. Alary setae absent. Postmesospiracular setae present. Capitate setae restricted to apical antennal segment................................................................................... Eriococcus buxi (Fonscolombe) (Fig. 42) - Alary setae present. Postmesospiracular setae absent. Capitate setae present on other antennal segments in addition to apical segment.. ACANTHOCOCCIDAE GROUP ( Acanthococcus Signoret; Eriochiton Maskell; Gossyparia Signoret; Ovaticoccus Kloet) (Figs 15–18) 12. Antennae each with 9 segments. Penial sheath extremely long and needle-like, length greater than half total body length.... ................................................................ Cylindrococcus spiniferus Maskell (Fig. 43) - Antennae with 8 or fewer segments. Penial sheath not needle-like and never as long as half total body length........... 13 13. Antennae 8 or more segmented................. ERIOCOCCIDAE 'GONDWANA GROUP' ( Callococcus Ferris (Fig. 26); Calycicoccus merwei Brain (Fig. 27); Capulinia Signoret (Fig. 28); Carpochloroides Cockerell (Fig. 29); Choneochiton Hodgson (Fig. 30); Cystococcus Fuller (Fig. 31); Dromedaricoccus Hodgson & Miller (Fig. 32); Eriogallococcus Hodgson & Magalhãaes (Fig. 33); Lachnodius Maskell (Fig. 34); Lobimargo Hardy & Gullan (Fig. 35); Pseudotectococcus rolliniae Hodgson & Gonçalves (Fig. 37); Stibococcus Miller & Gonzalez (Fig. 38); Tanyscelis Hardy & Gullan (Fig. 39); Tectococcus Hempel (Fig. 40). - Antennae with 7 or fewer segments.......................................................................... 14 14. Antennae seven segmented. Tarsal digitules normal, both arising more or less on dorsal surface of tarsus. Penial sheath divided into anterior segment IX and posterior style, but without a distinct "segmental" membrane separating them.................. BEESONIIDAE Green ( Beesonia Green; Danumococcus Takagi; Echinogalla Takagi; Gallacoccus Takagi; Mangalorea Takagi) (Figs 44–46) - Antennae 6 or 7 segmented. Tarsal digitules unusual, with one arising as normal from dorsal surface, other arising from close to base of claw laterally. Tarsal digitules often dissimilar in shape. Penial sheath clearly divided into anterior segment IX and posterior style, separated by a "segmental" membrane.................... STICTOCOCCIDAE Cockerell (Figs 47–52) Scutum without a distinct, quadrate membranous area between prescutum and scutellum; tarsi with bifurcated setae 15. Antennae 10-segmented. Postoccipital ridge large and well defined. Tibio-tarsal articulation distinct. Abdominal segment IX not clearly separate from penial sheath. Claw long and narrow, without a denticle. Lateropleurite narrow. Trochanters particularly long, usually about 1/3rd length of trochanter + femur. Apical antennal segment pointed, apex with a single capitate seta. Ocular sclerite unsclerotised................................................ DIASPIDIDAE Costa (Figs 59–61) - Antennae with 9 or fewer segments. Postoccipital ridge absent. Tibia and tarsus fused, without any articulation. Abdominal segment IX clearly seperate from penial sheath, forming a distinct segment. Claw broad basally, with a distinct denticle. Lateropleurite broad. Trochanters not exceptionally long, each about 1/4th length of trochanter + femur. Apical antennal segment with a rounded apex and with 4 capitate setae. Ocular sclerite showing some sclerotisation.......................................................................................... CONCHASPIDIDAE Cockerell (Figs 53–56) Scutum with a distinct, quadrate membranous area between prescutum and scutellum. 16. Setae on margins of penial sheath mainly quite long, each more than 10 µm long................................. 17 - Setae on margins of penial sheath all minute, mainly less than 5 µm long........................................ 20 17. Membranous area of mesothorax posterior to scutellum with polygonal reticulations throughout. Membranous area of scutum (between prescutum and scutellum) also often polygonally reticulated. Ventral surface of claw S-shaped, with broad basal part narrowing abruptly to a long, narrow apical part without a denticle. Tibia without tibial spurs. Segment VIII of abdomen present as an almost complete sclerotised ring........................ ASTEROLECANIIDAE Targioni Tozzetti (Figs 70–74) - Membranous area of mesothorax posterior to scutellum without polygonal reticulations. Membranous area of scutum (between prescutum and scutellum) without polygonal reticulations. Ventral surface of claw either not S-shaped as above or, if rather S-shaped, then with a denticle. Tibia with 1 or 2 tibial spurs. Segment VIII of abdomen, if sclerotised, not forming a complete sclerotised ring...................................................................................... 18 18. With 5 pairs of simple eyes, more or less arranged in a ring around head. Hamulohalteres present. Preocular ridge fusing medially or nearly so, at least extending over top of ventral simple eye. Penial sheath narrowing abruptly between segment IX and style. Cranial apophysis bifurcated......................................... KERMESIIDAE Boitard (Figs 62–64) - With only 2 pairs of simple eyes, one pair dorsally and other ventral. Hamulohalteres absent on known species. Preocular ridge never fusing medially and only rarely extending over top of ventral simple eye. Penial sheath not narrowing abruptly between segment IX and style. Cranial apophysis not bifurcated...................................................... 19 19. Penial sheath broad basally, narrowing abruptly about 1/4 along length to a long, thin, narrow style. Fleshy setae present on venter of abdomen. Ventral abdominal setae many times more abundant than dorsal abdominal setae. Tibia with two tibial spurs. Genae with polygonal reticulations. Glandular pouch setae, when present, subequal in length. Each glandular pouch deep................................................................... KERRIIDAE Targioni Tozzetti (Figs 65, 66) - Penial sheath more or less triangular, not narrowing abruptly about 1/4 along length to a long thin narrow style. Fleshy setae absent on venter of abdomen. Ventral abdominal setae as abundant as dorsal abdominal setae. Tibia with one tibial spur. Genae without polygonal reticulations. Glandular pouch setae, when present, with one seta about half length of other. Each glandular pouch shallow..................................................... CEROCOCCIDAE Comstock (Figs 67–69) 20. Membranous area of mesothorax posterior to scutellum usually with a large area of sclerotisation. Penial sheath short, length generally less than 3x greatest breadth. Sternite VIII sclerotised, with a sclerotised ridge along lateral margins. Thoracic spiracles each with associated locular pores. Anus with a strongly sclerotised margin. Caudal extensions to abdominal segment VIII absent................................................................ ACLERDIDAE Signoret (Figs 78–86) - Membranous area of mesothorax posterior to scutellum entirely membranous. Penial sheath long, length generally more than 4x greatest breadth. Sternite VIII generally without a sclerotised ridge along lateral margins. Thoracic spiracles without associated locular pores. Anus with membranous margins. Caudal extensions to abdominal segment VIII present, if only rounded................................................................................................... 21 21. Trochanter and femur fused (forming a trochantofemur). Tarsi with bifurcate setae. Preocular ridge, if present, extremely short. Ocelli present. With only 2 pairs of simple eyes. Basal membranous area at anterior end of penial sheath small or absent ventrally. Postoccipital ridge present. Glandular pouches absent. Aedeagus long, reaching or nearly reaching apex of penial sheath................................................................ LECANODIASPIDIDAE (Figs 75,76) - Trochanter and femur not fused. Tarsi without bifurcate setae. Preocular ridge always well-developed both dorsally and ventrally. Ocelli absent. Occasionally with up to 5 pairs of simple eyes. Basal membranous area present at anterior end of penial sheath. Postoccipital ridge generally absent. Glandular pouches present or absent. Aedeagus shorter, not nearly reaching apex of penial sheath.......................................................... COCCIDAE Linnaeus (Figs 87–94) Apterous and a few brachypterous adult males. Note: apterous adult males are known in the Eriococcidae, Halimococcidae, Micrococcidae, Phoenicococcidae, Pseudococcidae, Rhizoecidae and Xenococcidae. A few brachypterous males are known with very reduced or no thoracic sclerotisation, e.g., the pseudococcid Mirococcus ( Polystomophora ) ostiaplurimus (Kiritchenko, 1940). 1. Compound eyes present............................................................... ARCHAEOCOCCIDS - Compound eyes absent................................................................................ 2 2. Simple eyes and ocelli absent........................................................................... 3 - Simple eyes and/or ocelli present........................................................................ 4 3. Legs well developed but tibia + tarsus fused. Antennae 3 segmented. Each caudal extension on abdominal segment VIII sclerotised, forming an oval process. Bilocular pores present. Penial sheath much longer than basal width........................................................................................ MICROCOCCIDAE Leonardi (Fig. 77) - Legs very much reduced, anterior legs 1 segmented, meso- and metathoracic legs 3 or 4 segmented. Antennae reduced to a single segment with a bunch of about 20 setae. Each caudal extension on abdominal segment VIII unsclerotised and rounded. Dermal pores entirely absent. Penial sheath short and stout, length subequal to basal width.................................................................................... ACLERDIDAE) ( Nipponaclerda McConnell, Fig. 85) 4. Claw digitules apically clubbed. Claws not long and narrow, rather broad basally and quite short. Simple eyes present or absent but ocelli present. Tarsi only one segmented. Loculate pores absent. Antennal segment III very narrow (stalk-like) basally.. 5 - Claw digitules short and setose. Claws generally long and narrow, tapering to a sharp point. With or without glandular pouches, when pouches absent, generally with a few longer setae in this position. Simple eyes generally present. Tarsi 1 or 2 segmented. Loculate pores generally present. Antennal segment III not especially narrow and stalk-like.......................... 7 5. Abdomen at least as long as thorax and tapering evenly to penial sheath. Penial sheath triangular and about as long as previous segment. Tibial spurs present. Abdominal tergites and sternites absent................................................................................................ CRYPTOCOCCIDAE ( Pseudochermes Cockerell) (Fig. 41) : Published as part of Hodgson, Chris, 2020, A review of neococcid scale insects (Hemiptera: Sternorrhyncha: Coccomorpha) based on the morphology of the adult males, pp. 1-264 in Zootaxa 4765 (1) on pages 19-44, DOI: 10.11646/zootaxa.4765.1.1, http://zenodo.org/record/3774174 : {"references": ["Williams, D. J. (1969) The family-group names of the scale insects (Hemiptera: Coccoidea). Bulletin of the British Museum (Natural History) Entomology, 23, 315 - 341. https: // doi. org / 10.5962 / bhl. part. 15136", "Koteja, J. (1974 b) Comparative studies on the labium in the Coccinea (Homoptera). Zeszyty Naukowe Akademii Rolniczej w Warszawie, Rozprawy Naukowe, 89, 1 - 162.", "Tang, F. T. (1992) [The Pseudococcidae of China]. Shanxi Agricultural University Taigu, Shanxi, 768 pp.", "Hodgson, C. J. 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