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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Biology and Biochemistry 56 14569 13387 440 415 211 9766

Francesco Pennacchio publications per year

The chart shows the history of publications by Francesco Pennacchio between 1985 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Francesco Pennacchio published across 42 years, from 1985 to 2026, averaging 5.6 papers a year. Output peaked at 20 publications in 2020. 5 of the 235 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1985 to 2026. Vertical axis: number of publications, 0 to 20. Peak 20 publications in 2020. 1985: 1 publication 1986: 1 publication 1987: 0 publications 1988: 0 publications 1989: 3 publications 1990: 1 publication 1991: 0 publications 1992: 2 publications 1993: 3 publications 1994: 5 publications 1995: 3 publications 1996: 2 publications 1997: 5 publications 1998: 4 publications 1999: 5 publications 2000: 7 publications 2001: 3 publications 2002: 6 publications 2003: 4 publications 2004: 7 publications 2005: 6 publications 2006: 4 publications 2007: 12 publications 2008: 4 publications 2009: 3 publications 2010: 3 publications 2011: 5 publications 2012: 7 publications 2013: 8 publications 2014: 9 publications 2015: 5 publications 2016: 9 publications 2017: 4 publications 2018: 6 publications 2019: 19 publications 2020: 20 publications 2021: 13 publications 2022: 10 publications 2023: 11 publications 2024: 10 publications 2025: 4 publications 2026: 1 publication
1985 2026

235 publications in total across all disciplines

View publications per year as a table
Francesco Pennacchio: publications per year, 1985 to 2026
Year Publications
1985 1
1986 1
1987 0
1988 0
1989 3
1990 1
1991 0
1992 2
1993 3
1994 5
1995 3
1996 2
1997 5
1998 4
1999 5
2000 7
2001 3
2002 6
2003 4
2004 7
2005 6
2006 4
2007 12
2008 4
2009 3
2010 3
2011 5
2012 7
2013 8
2014 9
2015 5
2016 9
2017 4
2018 6
2019 19
2020 20
2021 13
2022 10
2023 11
2024 10
2025 4
2026 1
Total 235
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Francesco Pennacchio publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Francesco Pennacchio sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 100 bars. Horizontal axis: publications, 47–56 to 1,028+. Vertical axis: number of scientists, 0 to 980. Most scientists, 980, have 127–136 publications. The last bar groups every scientist with 1,028 publications or more. The highlighted bar, 207–216 publications, is where this scientist sits. 47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 413 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 848 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 949 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 840 scientists 207–216 publications: 733 scientists 217–226 publications: 708 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 417 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 196 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 59 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientist 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientist 1,028+ publications: 100 scientists
47–56 publications 1,028+

This scientist: 211 publications — 54th percentile

54% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

View publications distribution as a table
Number of Biology and Biochemistry scientists by publication count, Research.com 2026 ranking edition. Based on 19,587 ranked scientists.
Publications Scientists This scientist
47–56 8
57–66 35
67–76 106
77–86 231
87–96 413
97–106 546
107–116 704
117–126 848
127–136 980
137–146 942
147–156 969
157–166 949
167–176 951
177–186 915
187–196 787
197–206 840
207–216 733 211
217–226 708
227–236 651
237–246 605
247–256 510
257–266 524
267–276 434
277–286 417
287–296 350
297–306 363
307–316 315
317–326 296
327–336 261
337–346 240
347–356 219
357–366 196
367–376 154
377–386 161
387–396 155
397–406 145
407–416 124
417–426 112
427–436 132
437–446 116
447–456 99
457–466 81
467–476 91
477–486 80
487–496 80
497–506 59
507–516 36
517–526 46
527–536 54
537–546 44
547–556 43
557–566 43
567–576 42
577–586 25
587–596 34
597–606 23
607–616 33
617–626 31
627–636 27
637–646 25
647–656 28
657–666 34
667–676 18
677–686 16
687–696 10
697–706 12
707–716 21
717–726 12
727–736 12
737–746 10
747–756 7
757–766 13
767–776 15
777–786 13
787–796 9
797–806 9
807–816 7
817–826 4
827–836 9
837–846 7
847–856 3
857–866 5
867–876 5
877–886 11
887–896 3
897–906 4
907–916 7
917–926 5
927–936 6
937–946 6
947–956 3
957–966 7
967–976 2
977–986 2
987–996 1
997–1,006 5
1,007–1,016 2
1,017–1,026 2
1,027 1
1,028+ 100
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Francesco Pennacchio D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Francesco Pennacchio sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 65 bars. Horizontal axis: D-Index, 40–41 to 167+. Vertical axis: number of scientists, 0 to 1,253. Most scientists, 1,253, have 58–59 D-Index. The last bar groups every scientist with 167 D-Index or more. The highlighted bar, 56–57 D-Index, is where this scientist sits. 40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 316 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 899 scientists 52–53 D-Index: 1,025 scientists 54–55 D-Index: 1,149 scientists 56–57 D-Index: 1,235 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,162 scientists 62–63 D-Index: 1,130 scientists 64–65 D-Index: 1,031 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 714 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 71 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40–41 D-Index 167+

This scientist: 56 D-Index — 28th percentile

28% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

View D-Index distribution as a table
Number of Biology and Biochemistry scientists by D-index, Research.com 2026 ranking edition. Based on 19,587 ranked scientists.
D-Index Scientists This scientist
40–41 80
42–43 183
44–45 316
46–47 504
48–49 718
50–51 899
52–53 1,025
54–55 1,149
56–57 1,235 56
58–59 1,253
60–61 1,162
62–63 1,130
64–65 1,031
66–67 897
68–69 814
70–71 714
72–73 709
74–75 596
76–77 512
78–79 473
80–81 412
82–83 373
84–85 358
86–87 285
88–89 273
90–91 227
92–93 208
94–95 193
96–97 153
98–99 157
100–101 148
102–103 120
104–105 113
106–107 100
108–109 86
110–111 67
112–113 71
114–115 73
116–117 64
118–119 53
120–121 60
122–123 54
124–125 43
126–127 38
128–129 49
130–131 26
132–133 18
134–135 23
136–137 32
138–139 32
140–141 27
142–143 19
144–145 22
146–147 12
148–149 16
150–151 14
152–153 10
154–155 13
156–157 10
158–159 7
160–161 9
162–163 13
164–165 4
166 4
167+ 98
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Overview

What is he best known for?

The fields of study he is best known for:

  • Gene
  • Genetics
  • Botany

Francesco Pennacchio focuses on Botany, Acyrthosiphon pisum, Host, Aphid and Parasitoid. His Botany study integrates concerns from other disciplines, such as Apoptosis and Cellular differentiation. Biochemistry and Amino acid is closely connected to Braconidae in his research, which is encompassed under the umbrella topic of Acyrthosiphon pisum.

His Kairomone study, which is part of a larger body of work in Host, is frequently linked to Pore-forming toxin, bridging the gap between disciplines. The concepts of his Aphid study are interwoven with issues in Rhizosphere and Aphididae. Parasitoid is a subfield of Hymenoptera that Francesco Pennacchio explores.

His most cited work include:

  • EVOLUTION OF DEVELOPMENTAL STRATEGIES IN PARASITIC HYMENOPTERA (438 citations)
  • Neonicotinoid clothianidin adversely affects insect immunity and promotes replication of a viral pathogen in honey bees (401 citations)
  • Synergistic parasite-pathogen interactions mediated by host immunity can drive the collapse of honeybee colonies. (279 citations)

What are the main themes of his work throughout his whole career to date?

Francesco Pennacchio mainly investigates Botany, Parasitoid, Aphid, Braconidae and Host. His research integrates issues of Gene and Cell biology in his study of Botany. His research in Parasitoid intersects with topics in Olfactometer and Parasitism.

His Aphid research includes elements of Kairomone, Cornicle, Aphidius ervi, Aphididae and Insect. Francesco Pennacchio has researched Braconidae in several fields, including Lepidoptera genitalia, Biochemistry and Homoptera. His Heliothis virescens research is multidisciplinary, incorporating elements of Endocrinology, Instar, Prothoracic gland and Polydnavirus.

He most often published in these fields:

  • Botany (34.29%)
  • Parasitoid (31.43%)
  • Aphid (25.71%)

What were the highlights of his more recent work (between 2017-2021)?

  • Immune system (13.57%)
  • Microbiology (7.14%)
  • Mite (5.71%)

In recent papers he was focusing on the following fields of study:

His scientific interests lie mostly in Immune system, Microbiology, Mite, Deformed wing virus and Varroa destructor. His research on Microbiology also deals with topics like

  • Spodoptera littoralis that intertwine with fields like Gene, Gene silencing, Systemin and Cell biology,
  • Plant defense against herbivory which connect with Trichoderma harzianum, WRKY protein domain and Insect. His Mite study combines topics in areas such as Vector, Pathogen, Viral replication and Viral evolution.

He combines subjects such as Neonicotinoid, Virus, Hemolymph and Vector with his study of Varroa. His studies in Sialome integrate themes in fields like Host and Parasitism. His Parasitoid study in the realm of Host interacts with subjects such as Generalist and specialist species.

Between 2017 and 2021, his most popular works were:

  • Transcriptome and Metabolome Reprogramming in Tomato Plants by Trichoderma harzianum strain T22 Primes and Enhances Defense Responses Against Aphids (23 citations)
  • Haemolymph removal by Varroa mite destabilizes the dynamical interaction between immune effectors and virus in bees, as predicted by Volterra's model. (21 citations)
  • Honey Bee Antiviral Immune Barriers as Affected by Multiple Stress Factors: A Novel Paradigm to Interpret Colony Health Decline and Collapse. (21 citations)

In his most recent research, the most cited papers focused on:

  • Gene
  • Genetics
  • Bacteria

His primary areas of study are Immune system, Evolutionary biology, Spodoptera littoralis, Trichoderma and Deformed wing virus. His studies deal with areas such as Parasitoid, Genome, Multiple stress, Mutualistic symbiosis and Honey bee as well as Evolutionary biology. His Parasitoid study is concerned with Biological pest control in general.

His study in Trichoderma is interdisciplinary in nature, drawing from both Genetics, Trichoderma harzianum, Transcriptome, Aphid and Plant defense against herbivory. His Deformed wing virus research incorporates elements of Virus, Virology, Vector and Colony Collapse. His Varroa destructor research includes themes of Hemolymph and Varroa.

Best Publications

  • Neonicotinoid clothianidin adversely affects insect immunity and promotes replication of a viral pathogen in honey bees

    Gennaro Di Prisco;Valeria Cavaliere;Desiderato Annoscia;Paola Varricchio

  • EVOLUTION OF DEVELOPMENTAL STRATEGIES IN PARASITIC HYMENOPTERA

    Francesco Pennacchio;Michael R. Strand

  • Are bee diseases linked to pesticides? - A brief review.

    Francisco Sánchez-Bayo;Dave Goulson;Francesco Pennacchio;Francesco Nazzi

  • Synergistic parasite-pathogen interactions mediated by host immunity can drive the collapse of honeybee colonies.

    Francesco Nazzi;Sam P. Brown;Desiderato Annoscia;Fabio Del Piccolo

  • Varroa destructor is an effective vector of Israeli acute paralysis virus in the honeybee, Apis mellifera.

    Gennaro Di Prisco;Francesco Pennacchio;Emilio Caprio;Humberto F. Boncristiani

  • Strategies Involved in the Location of Hosts by the ParasitoidAphidius erviHaliday (Hymenoptera: Braconidae: Aphidiinae)

    W Powell;F Pennacchio;G.M Poppy;E Tremblay

  • A mutualistic symbiosis between a parasitic mite and a pathogenic virus undermines honey bee immunity and health

    Gennaro Di Prisco;Desiderato Annoscia;Marina Margiotta;Rosalba Ferrara

  • Induction and Systemic Release of Herbivore-Induced Plant Volatiles Mediating In-Flight Orientation of Aphidius ervi

    E. Guerrieri;G. M. Poppy;W. Powell;E. Tremblay

  • Midgut microbiota and host immunocompetence underlie Bacillus thuringiensis killing mechanism.

    Silvia Caccia;Ilaria Di Lelio;Antonietta La Storia;Adriana Marinelli

  • Transcriptome and Metabolome Reprogramming in Tomato Plants by Trichoderma harzianum strain T22 Primes and Enhances Defense Responses Against Aphids.

    Mariangela Coppola;Gianfranco Diretto;Maria Cristina Digilio;Sheridan Lois Woo

  • Host castration by Aphidius ervi venom proteins.

    Maria Cristina Digilio;Nunzio Isidoro;Ermenegildo Tremblay;Francesco Pennacchio

  • Can aphid-induced plant signals be transmitted aerially and through the rhizosphere?

    Keith Chamberlain;Emilio Guerrieri;Francesco Pennacchio;Jan Pettersson

  • Flight behaviour of the aphid parasitoid Aphidius ervi (Hymenoptera: Braconidae) in response to plant and host volatiles.

    E Guerrieri;F Pennacchio;E Tremblay

  • Programmed cell death and stem cell differentiation are responsible for midgut replacement in Heliothis virescens during prepupal instar

    Gianluca Tettamanti;Annalisa Grimaldi;Morena Casartelli;Elena Ambrosetti

  • Physical and chemical cues influencing the oviposition behaviour of Aphidius ervi.

    Donatella Battaglia;Guy Poppy;Wilf Powell;Antonio Romano

  • A gamma-glutamyl transpeptidase of Aphidius ervi venom induces apoptosis in the ovaries of host aphids.

    Patrizia Falabella;Lea Riviello;Pasqua Caccialupi;Tiziana Rossodivita

  • Plant-to-plant communication mediating in-flight orientation of Aphidius ervi.

    E. Guerrieri;G. M. Poppy;W. Powell;R. Rao

  • Host regulation by the aphid parasitoid Aphidius ervi: the role of teratocytes

    Patrizia Falabella;Ermenegildo Tremblay;Francesco Pennacchio

  • Biochemical and metabolic alterations in Acyrthosiphon pisum parasitized by Aphidius ervi

    F. Pennacchio;M. C. Digilio;E. Tremblay

  • Bracoviruses Contain a Large Multigene Family Coding for Protein Tyrosine Phosphatases

    Bertille Provost;Paola Varricchio;Eloisa Arana;Eric Espagne

Frequent Co-Authors

Rosa Rao
Rosa Rao University of Naples Federico II
Maria Cristina Digilio
Maria Cristina Digilio University of Naples Federico II
Wilf Powell
Wilf Powell Rothamsted Research
Guy M. Poppy
Guy M. Poppy University of Southampton
S. Bradleigh Vinson
S. Bradleigh Vinson Texas A&M University
Giandomenico Corrado
Giandomenico Corrado University of Naples Federico II
Michael R. Strand
Michael R. Strand University of Georgia
Sam P. Brown
Sam P. Brown Georgia Institute of Technology
Sheridan L. Woo
Sheridan L. Woo University of Naples Federico II
David W. Galbraith
David W. Galbraith University of Arizona

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